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Speaker Bios for NIJ's "Research for the Real World" Seminar Series

​​NIJ's in-person seminar series is hel​d periodically in Washington, D.C., and features research that is changing our thinking about polici​es and practices. Speakers have included:

Portrait of David Adams

David Adams, Co-founder and Co-Director of Emerge

Dr. David Adams is co-founder and Co-Director of Emerge, a non-profit organization dedicated to stopping domestic violence. Dr. Adams has 29 years experience working with men who batter and is a nationally recognized trainer and researcher. He has published numerous articles about domestic violence. Dr. Adams is Co-Chair of the Batterer Intervention Working Group of the Massachusetts Commission on Domestic Violence and has done trainings in over 30 states and 5 nations. He currently co-leads the fatherhood parenting group, and recently authored and directed a Danger Assessment DVD. View Dr. Adam's presentation with Dr. Gelles and Dr. Campbell.

Portrait of Roseanna Ander

Roseanna Ander, Executive Director of the University of Chicago Crime Lab

Ms. Roseanna Ander is the Executive Director of the University of Chicago Crime Lab. She has a wealth of experience focused on reducing youth violence, most notably with the Joyce Foundation in Chicago. She holds a Master of Science degree in health policy from Harvard University's School of Public Health. View Ms. Ander's presentation with Dr. Jens Ludwig.

Portrait of Greg Berman

Greg Berman, Director of the Center for Court Innovation

Greg Berman is Director of the Center for Court Innovation, which recently won the Peter F. Drucker Prize for Nonprofit Innovation. The Center has been responsible for implementing more than 20 demonstration projects, including the Midtown Community Court and the Red Hook Community Justice Center. In addition to Trial & Error in Criminal Justice Reform, Greg is the co-author of Good Courts: The Case for Problem-Solving Justice (The New Press). View Mr. Berman's presentation.

Portrait of Carrie Bettinger-Lopez

Carrie Bettinger-Lopez, J.D., Office of the Vice President

​Carrie Bettinger-Lopez, J.D.​ is the White House Advisor on Violence Against Women. Prior to joining the White House, Carrie was Associate Professor of Clinical Legal Education and Founder and Director of the Human Rights Clinic at the University of Miami School of Law, where her advocacy and scholarship focused on violence against women, gender and race discrimination, and immigrants’ rights. Prior to her legal career, Carrie engaged in social services advocacy and youth education centered on women and girls’ empowerment, as well as anti-violence programming. While serving in the White House, Carrie coordinates efforts to reduce domestic violence, sexual assault, and gender violence issues. Bettinger-Lopez is a senior advisor to Vice President Biden and serves on the White House Council on Women and Girls. She is a graduate of Columbia Law School and the University of Michigan.

Portrait of Anthony Braga

Anthony Braga, Rutgers University

Anthony Braga is the Don M. Gottfredson Professor of Evidence-Based Criminology at Rutgers University, Senior Research Fellow in Harvard University's Criminal Justice Policy and Management Program, and a member of the Harvard/NIJ Executive Session on Policing and Public Safety.​


Portrait of Jackie Campbell

Jackie Campbell, Johns Hopkins School of Nursing

Dr. Jackie Campbell is the Anna D. Wolf Chair and a Professor in the Johns Hopkins University School of Nursing, with a joint appointment in the Bloomberg School of Public Health. She has been conducting advocacy policy work and research in the area of domestic violence since 1980. Dr. Campbell has been the PI of 10 major NIH, NIJ or CDC research grants and published more than 150 articles and seven books on domestic violence. She serves on the Boards of Directors of the Family Violence Prevention Fund and the House of Ruth Battered Women's Shelter, and was a member of the congressionally appointed U.S. Department of Defense Task Force on Domestic Violence. View Dr. Campbell's presentation with Dr. Gelles and Dr. Adams.

Portrait of Rebecca Campbell

Rebecca Campbell, Michigan State University

Dr. Rebecca Campbell is a Professor of Psychology and Program Evaluation at Michigan State University. For the past 20 years, she has conducted victimology research and evaluation, with an emphasis on violence against women and children. Her work examines how rape crisis centers and the legal, medical, and mental health systems respond to the needs of adult, adolescent, and pediatric victims of sexual assault.  Her current work, funded by the National Institute of Justice, focuses on Sexual Assault Nurse Examiner (SANE) programs and the criminal justice system.

She has published over 75 scientific papers and two books on these topics, and has conducted over 150 presentations at state, national, and international conferences. Over her career, she has received over $7.5 million in research funding from the National Institute of Mental Health, the Centers for Disease Control and Prevention, and most recently, the National Institute of Justice. She has received numerous research and teaching awards, including the 2008 Early Career Award from the American Psychological Association for Distinguished Contributions to Psychology in the Public Interest.

Dr. Campbell holds a Ph.D. in community psychology from Michigan State University.

View Dr. Campbell's presentation.

Portrait of Redonna Chandler

Redonna K. Chandler, Chief, Services Research Branch at the National Institute on Drug Abuse

Dr. Redonna K. Chandler is currently the Chief of the Services Research Branch at the National Institute on Drug Abuse (NIDA), a component of the National Institutes of Health. She provides scientific leadership on research intended to improve the quality of drug abuse treatment and recovery services, with a special emphasis on the implementation of evidence-based interventions. She is also an instructor for the National Judicial College, providing training to presiding judges on addiction research and treatment. Prior to joining NIDA, she worked for the Bureau of Prisons, implementing and evaluating substance abuse treatment programs for federally sentenced offenders. Dr. Chandler was trained as a psychologist and received her doctoral degree from the University of Kentucky. View Dr. Chandler's presentation.

Portrait of Phillip Cook

Phillip J. Cook, ITT/Sanford Professor of Public Policy, and Professor of Economics and Sociology at Duke University

Dr. Phillip J. Cook is ITT/Sanford Professor of Public Policy, and Professor of Economics and Sociology at Duke University. He served as director and chair of Duke's Sanford Institute of Public Policy from 1985-89, and again from 1997-99, and is currently Senior Associate Dean of the Sanford School of Public Policy. He has active research programs on a number of topics, including truancy prevention, crime prevention through private action, and alcohol control policy. His most recent books are Controlling Crime: Strategies and Tradeoffs (co-edited with Jens Ludwig and Justin McCrary: University of Chicago Press, 2011) and Paying the Tab (Princeton University Press, 2007). He is currently vice chair of the National Research Council's Committee on Law and Justice, previously served as a member of the Division Committee for the Behavioral Sciences, and serves as co-director of the Crime Lab at the University of Chicago. View Dr. Cook's presentation.

Portrait of Scott Decker

Scott Decker, Arizona State University

Scott Decker, Ph.D., is a foundation professor and the Director of the School of Criminology and Criminal Justice at Arizona State University. He is a Fellow in the American Society of Criminology and the Academy of Criminal Justice Sciences, and has served as an Associate Editor and member of the editorial board for Criminology. View Dr. Decker's presentation.

Portrait of Loius Deckmar

Louis Dekmar, Chief of Police, LaGrange Police Department

Louis Dekmar, Chief of Police, LaGrange Police Department, is the president of IACP and speaks from his experience bridging the gap between academia and law enforcement. He is a graduate of the FBI National Academy and FBI Law Enforcement Executive Development Seminar and teaches as an adjunct professor for several colleges and institutions.

Portrait of Deputy Chief Michael Downing

Michael Downing, Los Angeles Police Department

Deputy Chief Michael Downing is the Commanding Officer of the Los Angeles Police Department’s Counter-Terrorism & Special Operations Bureau, where he leads five operational divisions: Major Crimes, Emergency Services, Metropolitan, Air Support, and Emergency Operations; dealing with intelligence, investigations, tactical response, and emergency preparedness. Deputy Chief Downing is also Chair of the Executive Board of the Los Angeles Joint Regional Intelligence Center (JRIC) and Vice Chair of the United States DOJ Criminal Intelligence Coordinating Council.

Deputy Chief Downing served as a member of the Department of Homeland Security Advisory Council working group on developing a national strategy for countering violent extremism. Deputy Chief Downing has also worked with the Department of Justice and State Department, traveling throughout South America, Africa, Turkey, Poland, India, and Kenya in an effort to transition large national police organizations into democratic civilian policing models and overlay counter-terrorism enterprises on top of cities.

Deputy Chief Downing attended the University of Southern California where he received a Bachelor of Science Degree in Business Administration 1982, POST Command College 1997, FBI’s Leadership in Counter-Terrorism (LinCT) 2008, Post Naval Graduate Executive Program 2009, and the Senior Management Institute for Police at Boston (SMIP PERF) 2012. He is a senior fellow at the George Washington University Homeland Security Institute.

Portrait of Grant Duwe

Grant Duwe, Ph.D., Director of Research and Evaluation, Minnesota Department of Corrections

Dr. Grant Duwe is the Director of Research and Evaluation for the Minnesota Department of Corrections, where he evaluates correctional programs, develops risk assessment instruments, and forecasts the state’s prison population. He has published more than 60 articles in peer-reviewed journals on a wide variety of correctional topics, and he is currently an academic adviser for criminal justice reform for the American Enterprise Institute.

View Duwe along with other panelist in the seminar "What Works in Reentry."

Portrait of Felton Earls

Felton Earls, Harvard Medical School

Dr. Felton Earls is Professor of Social Medicine at Harvard Medical School and Professor of Human Behavior and Development at Harvard School of Public Health. His interests span child mental health, epidemiology, and human rights. From 1990 to 2005, he was the principal investigator for the Project on Human Development in Chicago Neighborhoods, a multilevel, longitudinal study on the causes and consequences of children’s exposure to violence. View Dr. Earl's presentation.

Portrait of Jeffrey Edleson

Jeffrey Edleson, University of Minnesota

Dr. Jeffrey Edleson , is a professor in the University of Minnesota School of Social Work and Director of the Minnesota Center Against Violence and Abuse. He is one of the world's leading authorities on children exposed to domestic violence and has published more than 100 articles and 10 books on domestic violence, group work, and program evaluation. View Dr. Edleson's presentation with Dr. Lindhorst.

Portrait of John Firman

John Firman, International Association of Chiefs of Police

Mr. John Firman is the Director of the Research Division of the International Association of Chiefs of Police (IACP.) His duties include development and implementation of a national and international law enforcement policy research and evaluation program for the association. Mr. Firman helped create and currently manages the National Law Enforcement Policy Summit Series for the IACP, addressing current and emerging issues in the policing profession. Prior to joining the IACP he was an appointee of the Governor of Illinois, serving as Associate Director of the Illinois Criminal Justice Authority (1985-1994.) Mr. Firman also serves as an Adjunct Professor at American University where he teaches the Advanced Seminar in Policing in the graduate school. Mr. Firman holds a B.A. in sociology from La Salle University (Philadelphia, PA) and an M.A. in sociology from Temple University (Philadelphia, PA). Watch the seminar "Wrongful Convictions: The Latest Scientific Research & Implications for Law Enforcement".

Bill Fithian is a Technical Director at SEI with ten years of experience providing a comprehensive, coordinated administration of management activities and technical oversight that supports the functions of the SEI Certification Program. He oversees the NIJ certification programs at SEI including the Public Safety Bomb Suit Standard (NIJ Standard 0117.01), and the newly introduced Criminal Justice Restraints Standard (NIJ Standard-1001.00). Additionally, he manages several certification programs including HazMat PPE, firefighting footwear and safety footwear, covering over ten different NFPA, ASTM and CSA certification standards. He has been an active member of the NFPA HazMat and Firefighting PPE Technical Committees for over eight years, and is taking an active role in the development of a new law enforcement duty glove standard that is being developed by ASTM International.

Portrait of Joye Frost

Joye Frost, Office for Victims of Crime

Joye Frost was appointed as Director of the Office for Victims of Crime (OVC) by President Obama June 14, 2013. During her previous tenure as OVC’s Acting Director and Principal Deputy Director, she launched the Vision 21: Transforming Victim Services initiative to expand the reach and impact of the victim assistance field. She forged closer ties with State Victims of Crime Act administrators and championed the integration of innovation with research in OVC’s efforts to build capacity in the field. She fostered a groundbreaking partnership between OVC and the Department of Defense to strengthen support to military victims of sexual assault, and greatly expanded OVC’s work to assist victims in Indian Country. She was instrumental in the development of OVC’s Sexual Assault Nurse Examiner and Sexual Assault Response Team Training and Technical Assistance initiatives and spearheaded a number of OVC projects to identify and serve victims of crime with disabilities. She also implemented and oversees a discretionary grant program to fund comprehensive services to victims of human trafficking.

Portrait of Richard Gelles

Dr. Richard Gelles, the University of Pennsylvania

Dr. Richard Gelles holds The Joanne and Raymond Welsh Chair of Child Welfare and Family Violence in the School of Social Policy & Practice at the University of Pennsylvania. He is the Director for the Center for Research on Youth & Social Policy and Co-Director of the Field Center for Children's Policy Practice & Research. Dr. Gelles is an internationally known expert in domestic violence and child welfare. He was influential in the passage of the Adoption and Safe Families Act of 1997. He is the author of 24 books and more than 100 articles, chapters and papers in the areas of child welfare and family violence, including The Violent Home, which was the first systematic investigation to provide empirical data on domestic violence. He is currently in the process of co-authoring another text, Intimate Violence and Abuse in Families. View Dr. Gelles's presentation with Dr. Campbell and Dr. Adams.

Portrait of Peggy Giorano

Dr. Peggy Giordano, Bowling Green State University

Dr. Peggy Giordano is Distinguished Research Professor of Sociology at Bowling Green State University. She has a longstanding interest in the different ways in which close relationships connect to crime and violent behavior. In addition to studies focusing on peer and romantic partner effects, she has examined the impact of parental criminality on adolescent behavior and well-being. As Principal Investigator of a longitudinal study of the dating relationships of a large sample of young people interviewed in adolescence and across the transition to adulthood, Giordano has explored relationship-specific risk factors for dating violence, and identified individual and social changes associated with the cessation of this form of violent behavior. View Dr. Giordano's presentation.

Portrait of Jon Gould

Dr. Jon Gould, American University

Dr. Jon Gould is a Professor of Law, Justice and Society, and Director of the Washington Institute for Public and International Affairs Research at American University. His work focuses on civil rights and liberties, justice policy, and legal change, helping to make academic research relevant and accessible to policymaking.  His first book, Speak No Evil: The Triumph of Hate Speech Regulation, was a co-winner of the 2006 Herbert Jacob award for the best book in law and society. His second book, The Innocence Commission: Preventing Wrongful Convictions and Restoring the Criminal Justice System, was named an Outstanding Academic Title for 2008 by the American Library Association. Dr. Gould holds a Ph.D. from the University of Chicago and J.D. and M.P.P. degrees from Harvard University. Watch the seminar "Wrongful Convictions: The Latest Scientific Research & Implications for Law Enforcement".​ 

Lt. Alan Hanson has over 22 years of law enforcement experience with the Fairfax County Police Department (FCPD) and is currently serving as the assistant commander of the Sully District Station in Chantilly, Virginia. Lt. Hanson is an assistant commander of the FCPD Civil Disturbance Unit (CDU) and is the commander in charge of training for the FCPD CDU. He has been active with CDU as a supervisor or commander since 2001, responded to and supporting many major events in the region including IMF & G20 protests as well as Presidential Inaugurations. He is one of the founding members of the Metropolitan Washington Council of Governments (MWCOG) CDU subcommittee and has served as vice-chairman of this subcommittee for the past two years. Prior to police service, Lt. Hanson was a cryptologic officer in the U.S. Navy stationed at Ft. Meade, Maryland. He also served on the staff of the Commander, U.S. Naval Forces Central Command in Manama, Bahrain.

Portrait of Dan Grupe

Dan Grupe, Ph.D., University of Wisconsin–Madison

Dan Grupe, Ph.D. is an associate scientist at the Center for Healthy Minds, a research institute at the University of Wisconsin–Madison dedicated to cultivating well-being and relieving suffering through a scientific understanding of the mind. His research is focused on identifying neurobiological and psychological mechanisms that promote resilient responses to stressful and traumatic events, with the goal of enhanced treatment and prevention of PTSD and other stress-related mental health conditions. His recent work has investigated the impact of mindfulness-based interventions on perceived stress and stress-related physical and mental health conditions in law enforcement officers. Dr. Grupe holds a B.A. in psychology from St. Olaf University and a Ph.D. in psychology from the University of Wisconsin-Madison.

Portrait of Bea Hanson

Bea Hanson, Office on Violence Against Women

Bea Hanson, Ph.D., is the Principal Deputy Director of the United States Department of Justice Office on Violence Against Women. In her role, Dr. Hanson serves as the liaison between the Department of Justice and federal, state, tribal, and international governments on matters relating to violence against women. She is responsible for developing the Department’s legal and policy positions regarding the implementation of the Violence Against Women Act and oversees an annual budget over $400 million. Dr. Hanson has served as OVW’s Principal Deputy Director since May 2011.

Portrait of Angela Hawken

Angela Hawken, Pepperdine University School of Public Policy

Dr. Angela Hawken is a Professor of Public Policy and the NYU Marron Institute of Urban Management and director of the Litmus program, which promotes innovation in the public sector. BetaGov is a resource center for practitioner-led trials, helping law enforcement and other practitioners undertake research to inform their policies and practices. Dr. Hawken consults regularly for the United Nations and the U.S. Department of State. She holds a Ph.D. from the Pardee RAND Graduate School.

View Dr. Hawken's presentation "Managing Drug-Involved Offenders" with Dr. Kleiman.

Portrait of David Hemenway

David Hemenway, Harvard Injury Control Research Center

David Hemenway, Ph.D. is Director of the Harvard Injury Control Research Center. He formerly spent a week each year at the University of Vermont as a James Marsh Visiting Professor-at-Large. Dr. Hemenway teaches classes on injury and on economics. He has won ten teaching awards at Harvard T.H. Chan School of Public Health. Dr. Hemenway has written widely on injury prevention, including articles on firearms, violence, suicide, child abuse, motor vehicle crashes, fires, falls and fractures. He headed the pilot for the National Violent Death Reporting System, which provides detailed and comparable information on suicide and homicide. In 2012 he was recognized by the Centers for Disease Control & Prevention as one of the “twenty most influential injury and violence professionals over the past twenty years.”​

Portrait of John Horgan

John Horgan, Georgia State University

Dr. John Hor​gan is Professor of Global Studies and Psychology at Georgia State University. He has a PhD in applied psychology and his research examines terrorist behavior, from radicalization to deradicalization. His most recent book is The Psychology of Terrorism 2nd Edition. His current research projects examine children’s involvement in the “Islamic State” movement, self-concealment in terrorist groups, pre-attack behaviors associated with lone-actor terrorists and non-ideological mass murderers, and evaluating the effectiveness of programs aimed at Countering Violent Extremism.

Jeffrey Horlick is a physicist at the National Institute of Standards and Technology (NIST) where he has worked since 1967. He retired from the federal service in 2006 and returned to NIST the very next day as a Guest Researcher. From the mid-1970s to 2006 he worked for the NIST National Voluntary Laboratory Accreditation Program, NVLAP, and has worked with the Standards Coordination Office in recent years. Over the past 40 years, he has given hundreds of talks and presentations on all aspects of laboratory accreditation and conformity assessment in a total of 20 countries to large and small governmental and non-governmental groups. He has been involved in the design of conformity assessment systems for numerous federal government agencies and is a subject matter expert on numerous federal programs, including the General Services Administration’s Federal Risk and Authorization Management Program, the Department of Homeland Security’s Rad/Nuc Detector Evaluation and Reporting Program, the Occupational Safety and Health Administration’s Nationally Recognized Testing Laboratory program, and the Centers for Disease Control and Prevention’s National Personal Protective Technology Laboratory. He has been a key contributor to NIJ’s ballistic resistant body armor standards and conformity assessment efforts and participates in NIJ’s body armor Special Technical Committee. He is the principal co-author of ASTM standards on chemical vapor detectors and has been a contributing author of numerous ASTM standards related to body armor, including terminology, test methods, laboratory practices, and measurement and fit, many of which will be integrated into the upcoming revision of the NIJ body armor standard. He has also participated in the development of several other NIJ standards over the past several years. He has received numerous awards and recognition for his work, including a U.S Department of Commerce Bronze Medal Award in 2002 for contributions to the field of laboratory accreditation and international recognition of the NVLAP program. He is an Elected Member of Sigma Xi, The Scientific Research Society; is a Life Senior Member of Institute for Electrical and Electronics Engineers, IEEE; is a Senior Member of the American Society for Quality, ASQ; is a Fellow of the Washington Academy of Sciences; and is a member of the NIST Gallery of Distinguished Scientists, Engineers, and Administrators.

Portrait of Michael Jacobson

Michael P. Jacobson, Director, Vera Institute of Justice

Dr. Michael P. Jacobson joined the Vera Institute of Justice as its fourth director in January 2005. He is the author of Downsizing Prisons: How to Reduce Crime and End Mass Incarceration (New York University Press 2005). A Ph.D. in sociology, he has an ongoing academic career as well as over twenty years of government service. From 1998 to 2005 he was a professor at the John Jay College of Criminal Justice and the Graduate Center of the City University of New York.

He was the New York City Correction Commissioner from 1995 to 1998. From 1992 to 1996, he was New York City's Probation Commissioner. He worked in the New York City Office of Management and Budget from 1984 to 1992 where he was the Deputy Budget Director.

In October 2010 he was appointed to the New York State Permanent Sentencing Commission by Chief Judge of New York State, Jonathan Lippmann.

Listen to Dr. Jacobson's presentation.

Portrait of Sergeant Ryan Keck

Sergeant Ryan Keck, Coordinator, Oregon Center for Policing Excellence

Sergeant Ryan Keck began his public safety career in 1999, serving as a corrections deputy in both California and Oregon. A self-proclaimed learning and performance “geek,” Ryan’s passion and experience with learner-centered education led him in 2007 to a full-time position at Oregon’s Department of Public Safety Standards and Training (DPSST) creating and managing statewide training programs designed to develop critical thinking, emotional intelligence and career confidence. Ryan currently supervises the Center for Policing Excellence at DPSST.

Portrait of William King

William R. King, Associate Professor and Associate Dean of Research and Program Development, Sam Houston State University

Dr. William R. King is an associate professor of criminal justice, and Associate Dean of Research and Program Development in the College of Criminal Justice at Sam Houston State University, in Texas. He earned his Ph.D. in Criminal Justice from the University of Cincinnati in 1998. His research focuses on the structure of police organizations and forensic crime labs, and the role of forensic analysis in criminal investigations. Between 2005 and 2009, he helped implement reforms to the forensic crime lab, national police service, and homicide bureau in Trinidad and Tobago. View Dr. King's presentation with ATF's John Risenhoover.

Portrait of Daivd Kirk

David Kirk, University of Texas at Austin

Dr. David Kirk is an Assistant Professor in the Department of Sociology and a Faculty Research Associate of the Population Research Center at The University of Texas at Austin. Kirk was formerly Assistant Professor in the Department of Criminology and Criminal Justice at the University of Maryland (from 2006-2009). Prior to earning his doctorate at the University of Chicago, Kirk worked at the Urban Institute. Kirk's current research explores the influence of social context and neighborhood change on behavior. One ongoing project examines the structural and cultural predictors of neighborhood violence. Kirk's recent research has appeared in American Journal of Sociology, American Sociological Review, Demography, and Criminology. View Dr. Kirk's presentation.

Portrait of Mark Kleiman

Mark Kleiman, University of California, Los Angeles

Dr. Mark Kleiman is Professor of Public Policy in the School of Public Affairs at the University of California, Los Angeles. He is also a Visiting Fellow at the National Institute of Justice. Dr. Kleiman is the author of several books and co-editor of the Journal of Drug Policy Analysis. In addition to his academic work, Dr. Kleiman provides advice to local, state, and national governments on crime control and drug policy. He holds a Ph.D. from Harvard University. View Dr. Kleiman's presentation with Dr. Hawken.

Portrait of Edward Latessa

Edward Latessa, University of Cincinnati

Dr. Edward Latessa is the director of the School of Criminal Justice at the University of Cincinnati. He is co-author of seven books including Corrections in the Community and Corrections in America. Among his many awards, Professor Latessa is the recipient of the American Society of Criminology Vollmer Award (2004), which recognizes research contributions to criminal justice policy. He is also the 2010 recipient of the Academy of Criminal Justice Sciences Bruce Smith Sr. Award, which recognizes leadership in criminal justice and active involvement in criminal justice research resulting in substantial contributions to the emerging body of knowledge. View Dr. Latessa's presentation.

Portrait of Janet L. Lauritsen

Janet L. Lauritsen, University of Missouri-St. Louis

Dr. Janet L. Lauritsen is Professor of Criminology and Criminal Justice at the University of Missouri-St. Louis.  Her research focuses on the causes and consequences of victimization, the social and historical contexts of crime and victimization, and quantitative research methodologies.  She is currently a Visiting Research Fellow at the Bureau of Justice Statistics, U.S. Department of Justice, where she is working with data from the National Crime Victimization Survey to measure patterns and trends in repeat victimization. Her most recent publications cover topics such as long-term trends in reporting crime to the police, the relationship between changing economic conditions and violent victimization, and gender differences in risk factors for victimization as well as trends in offending. Dr. Lauritsen is a member of the Committee on Law and Justice for the Division of Behavioral and Social Sciences and Education at the National Academies of Science.  She also serves on the Editorial Boards of several journals including Criminology, the Journal of Quantitative Criminology, Criminology & Public Policy, and the American Journal of Sociology. View Dr. Lauritsen's presentation, watch an interviews.

Portrait of Taryn Lindhorst

Taryn Lindhorst, University of Washington

Dr. Taryn Lindhorst is an Associate Professor of Social Work at the University of Washington. Her research focuses on violence against women, health, and policy implementation. Dr. Lindhorst is also involved in projects looking at the long-term impact of domestic violence on women's mental health, relationship violence among sexual minority youth, and policy issues related to violence against women. View Dr. Lindhorst's presentation with Dr. Edleson.

Portrait of Jens Ludwig

Jens Ludwig, Director, University of Chicago Crime Lab

Dr. Jens Ludwig is Director of the University of Chicago Crime Lab and the McCormick Foundation Professor of Social Service Administration, Law, and Public Policy at the University of Chicago. He is one of the nation's leading gun policy researchers and has also published extensively about "neighborhood effects" on crime, early childhood interventions, and application of benefit-cost methods to crime policy analysis. He received his Ph.D. in Economics from Duke University. View Dr. Ludwig's presentation with Ms. Anders.

Portrait of Terri McDonald

Terri McDonald, Chief Probation Officer, Los Angeles County Probation Department

Ms. Terri McDonald has over 36 years of public service in mental health treatment facilities, State and local corrections. She began her professional career in 1981, serving as a mental health worker and supervisor in a variety of community based mental health and drug treatment facilities. In 1988, she began an extensive and broad-based career in law enforcement, beginning with the California Department of Corrections and Rehabilitation (CDCR), serving in various capacities, and ultimately, as the Undersecretary of Operations. In this capacity, she was responsible for providing executive direction and operational oversight of the State’s correction system.

Ms. McDonald has had the unique honor of having been responsible for providing executive oversight of the State of California’s parole/prison/juvenile justice system, the County of Los Angeles jail system, and most recently, the County of Los Angeles probation system, with over 7,000 employees supervising over 38,000 adult and 7,000 juvenile probationers on any given day. Each of these systems are the largest of their kind in the nation, and she led them during fundamentally transformative periods.

Ms. McDonald possesses a Bachelor of Science Degree in Leadership in Law Enforcement from the University of San Francisco. She is an active member of several criminal justice associations and has served on a variety of non-profit boards. Ms. McDonald is married and resides in the County of Los Angeles. She enjoys the outdoors and spending time with her family in Northern California. 

View Ms. McDonald along with other panelist in the seminar "What Works in Reentry."

Alix McLearen, Ph.D., is the Acting Assistant Director, Reentry Services Division for the Federal Bureau of Prisons. Dr. McLearen is a licensed clinical psychologist and career law enforcement officer. After receiving her doctorate in clinical psychology and the law from the University of Alabama in 2003, she joined the Federal Bureau of Prisons as a Staff Psychologist. She has held positions of increasing responsibility over the last 15 years, including serving as Chief Psychologist at the Federal Correctional Institution in Memphis, TN. In 2014, she became the National Administrator of the Women and Special Populations Branch. In this capacity, she provides guidance and oversight to 29 federal facilities housing women as well as population-focused direction and policy and program development to all 122 facilities on issues affecting juveniles, inmates with disabilities, transgender inmates, and other offenders with specialized needs. Earlier this year, she was named the Acting Assistant Director of the agency's Reentry Services Division with oversight of mental health services, chaplaincy, residential reentry, education, and community transition issues. Dr. McLearen has published a number of books, chapters, and scholarly articles on psycho-legal and correctional topics.

View Dr. McLearan along with other panelist in the seminar "What Works in Reentry."

Portrait of Sue Rahr

Sue Rahr, Washington State Criminal Justice Training Commission

Sue Rahr is Executive Director of the Washington State Criminal Justice Training Commission, the former Sheriff of King County, Washington, and a member of the Harvard/NIJ Executive Session on Policing and ​Public Safety.

Portrait of Charles H. Ramsey

Charles H. Ramsey, Philadelphia Police Department

Charles H. Ramsey is Commissioner of the Philadelphia Police Department, immediate past President of the Major Cities Chiefs Association, immediate past President of the Police Executive Research Forum, and a member of the Harvard/NIJ Executive Session on Policing and Public Safety.

Portrait of John Risenhoover

John Risenhoover, Special Agent, ATF

Special Agent John Risenhoover has served the position of NIBIN National Coordinator since August, 2012. In this role, he is responsible for the development and implementation of the program, which includes training, strategy and management of over 150 partner sites throughout the United States. View Agent Risvenhoover's presentation with Professor William King.

Portrait of André Rosay

André Rosay, University of Alaska Anchorage

André Rosay, Ph.D., is the Director of the Justice Center at the University of Alaska Anchorage. From 2012 to 2016, he was a Visiting Executive Research Fellow at the National Institute of Justice. During this time, Dr. Rosay worked on the program of research on violence against Indian women living in tribal communities with NIJ staff and was the lead analyst for the study entitled Violence Against American Indian and Alaska Native Women and Men​ based on data from CDC’s National Intimate Partner and Sexual Violence Survey, which provides a detailed assessment of violence against American Indian and Alaska Native people.

Dennis Rosenbaum, University of Illinois at Chicago

Dennis P. Rosenbaum, Ph.D., is Professor of Criminology, Law and Justice and Director of the Center for Research in Law and Justice at the University of Illinois at Chicago. He is also the Director of the National Police Research Platform, funded by the National Institute of Justice to advance the state of knowledge and practice in American policing: www.nationalpoliceresearch.org. As part of this initiative, Dr. Rosenbaum and his colleagues have developed standardized performance measures that provide the foundation for local and national benchmarks of organizational excellence.

Dr. Rosenbaum has presented twice as part of our seminar series:


Randolph Roth, The Ohio State University

Randolph Roth is a professor of History and Sociology at the Ohio State University. He is a Fellow of the American Association for the Advancement of Science and a member of the National Academy of Sciences Roundtable on Crime Trends. Dr. Roth is the author of American Homicide, which received the 2011 Michael J. Hindelang Award from American Society of Criminology for outstanding contribution to criminology over the previous three years, and the 2010 Allan Sharlin Memorial Prize from the Social Science History Association for outstanding book in social science history. View Dr. Roth's presentation.

Portrait of

Christopher J. A. Scallon, Sergeant (Retired), Norfolk Virginia Police Department

Sgt. (Ret.) Christopher J.A. Scallon, MPsy, CCISM, retired as a 24-plus-year veteran of the Norfolk Police Department, holds a Masters in Psychology, BS in Criminal Justice, and is certified in Critical Incident Stress Management from the University of Maryland BC Emergency Health Services. He is the current Director of Public Safety Support for Chateau Recovery and the First Responder Outreach Specialist for Evolution Way Recovery Centers. He connects first responders and veterans to mental health and/or substance abuse programs.

Scallon was the founder and first director of the Norfolk Police Department’s Critical Incident Stress Management (CISM) & Peer Support Unit and Crisis Intervention Team Co-Coordinator for the Norfolk Police Department. He is a peer and current board member of Virginia Law Enforcement Assistance Program , a certified peer with the West Coast Post Trauma Retreat/First Responder Support Network. Having been involved in multiple shootings, he is intimately familiar with trauma and the consequences of exposure.

Scallon is an approved instructor for International Critical Incident Stress Foundation , teaching Basic and Advanced Assisting Individuals in Crisis and Group Crisis Intervention, a certified Mental Health First Aid Instructor (Adult/Veteran Modules) through the National Council for Behavioral Health and Iraq and Afghanistan Veteran’s Association (IAVA), founder of Survival Mindset Training and Consulting, and a Master Trainer for Homefront Protective Group teaching across the country and abroad.

Scallon is currently a Training and Technical Assistance Consultant for the Office of Victims of Crimes. He is also on a team tasked with creating a nationally accepted CISM model with the International Association of Chiefs of Police. Previously, a Vicarious Trauma Fellow with IACP and Northeastern University working on a national grant from the U.S. Department of Justice–Office of Victims of Crimes, creating an evidence-based vicarious trauma toolkit for first responders.

Scallon is a U.S. Navy Veteran and served as a line officer in the Port Washington, NY Fire Department, Atlantic Hook & Ladder, Light and Heavy Rescue. He was directly involved in multiple traumatic incidents within the aforementioned fire, military, and police agencies in addition to multiple deadly force encounters during his tenure as a police officer, both directly and indirectly. Scallon has first-hand experience with the primary, secondary, and tertiary effects of trauma related to personal and professional relationships.

He has received numerous awards to include the National Top Cop award, Virginia’s Public Safety Medal of Valor (presented by former Governor Tim Kaine), and the Norfolk Police Department’s Medal of Honor. He has received multiple certifications from the Nassau County Fire Service Academy in Long Island, New York.

Portrait of David H. Schanzer

David H. Schanzer, Duke University

David H. Schanzer, Ph.D. is an Associate Professor of the Practice at the Sanford School of Public Policy and Director of the Triangle Center on Terrorism and Homeland Security at Duke University. Prior to his academic appointments, Schanzer’s career in public service included positions in the U.S. Departments of Justice and Defense, as well as the U.S. Senate and House of Representatives.

Schanzer is the lead author of two NIJ funded studies “The Challenge and Promise of Using Community Policing Strategies to Prevent Violent Extremism” (2015) and “Anti-Terror Lessons of Muslim Americans” (2010). He has appeared on international, national and local media analyzing counterterrorism and homeland security issues.

Portrait of Lawrence Sherman

Lawrence Sherman, University of Pennsylvania

Lawrence Sherman is the Wolfson Professor of Criminology at the University of Cambridge and Director of the Jerry Lee Center of Criminology at the University of Pennsylvania. View Dr. Sherman's presentation.

Portrait of Suhda Shetty

Sudha Shetty, Director, International Fellowship Program, University of Minnesota

Sudha Shetty, Esq., is Director of the International Fellowship Program at the University of Minnesota's Hubert H. Humphrey Institute of Public Affairs and a Lecturer in the Institute's Masters of Public Policy Program. She speaks and writes extensively on domestic violence issues facing immigrant women and women of color.

Portrait of Susan Sorenson

Susan Sorenson, University of Pennsylvania

Susan B. Sorenson, Ph.D., has a unique interdisciplinary background in epidemiology, sociology, and psychology. She began her career at the UCLA School of Public Health, where, beginning in 1986, she taught a course about family and sexual violence – the first violence prevention course in a school of public health in the nation. She continues to teach it and a course on guns and health since moving to the University of Pennsylvania in 2006. With more than 100 publications to her credit, Professor Sorenson has published widely in the epidemiology and prevention of violence, including the areas of homicide, suicide, sexual assault, child abuse, battering, and firearms.

In addition to her academic work, Dr. Sorenson has served in various capacities with local community-based organizations, university research centers, and state and federal government agencies. In 1991, she co-founded the Violence Prevention Coalition of Greater Los Angeles, a broad coalition of agencies and individuals which continues to this day. Professor Sorenson was a member of the National Academy of Science’s panel on Research on Violence Against Women, a consultant to President Clinton’s National Advisory Council on Violence Against Women, a consultant to UNICEF’s May 2000 report on Domestic Violence Against Women and Girls, a member of the advisory panel for the 2001 U.S. Surgeon General’s Report on Youth Violence, and the author of a 2008 WHO report on health indicators of violence against children in low- and middle-income countries. She also was a member of the 2013 Institute of Medicine committee report, Priorities for a Public Health Research Agenda to Reduce the Threat of Firearm-related Violence. Professor Sorenson currently is a member of the Committee on Law and Justice at the National Academies. She has provided invited testimony about violence prevention at the local, state, and federal levels.

Portrait of Hank Stawinski

Hank Stawinski, Prince George’s County Police Department

Hank Stawinski has served as the Chief of Police for the Prince George’s County Police Department since January 1, 2016. He is the son of a Sergeant who retired from the Department and a life-long resident of Prince George’s County where he lives with his wife of 16 years and their daughter. He began his law enforcement career with the Department in 1992.

The Department is comprised of 2,000 sworn and civilian members, commands a budget of $301 million and serves nearly one million residents across 486 square miles along the eastern border of Washington, D.C. From July of 2013 until his appointment as Chief of Police, Hank was responsible for the Bureau of Patrol which includes seven district stations and the Special Operations Division. As the Deputy Chief of Patrol, he led the transition to data-driven, prevention oriented policing. He also plays a key role in developing County Executive Rushern Baker’s, “Transforming Neighborhoods Initiative.”

His three assignments prior to serving in Patrol include serving as the Deputy Chief for the Bureau of Forensic Science & Intelligence, Chief of Staff to the Chief of Police, and Deputy Inspector General for the Department. In his 23 years of service, he has played a role in the Department’s seven successful bids for accreditation, founded and supervised the Behavioral Sciences Services Unit, and continues to lead the “Arrive Alive” officer driving safety campaign.

Hank holds a Bachelor of Science in Biology from Boston College and a Master of Science in Management from The Johns Hopkins University. He is an alumnus of both the Police Executive Research Forum’s Senior Management Institute for Police and the Major Cities Chiefs Association Police Executive Leadership Institute. He also attended the negotiation program at the John F. Kennedy School of Government, Harvard University. He is a member of the Police Executive Research Forum, the International Association of Chiefs of Police, the Maryland Chiefs of Police Association, and the Police Chiefs Association of Prince George’s County. Hank also serves as an Executive Fellow with the Police Foundation. In January 2016, Hank was appointed to the State of Maryland Vehicle Theft Prevention Council by Governor Larry Hogan. He is a past President of the Maryland Association of Police Planners.

Portrait of Wendy Stiver

Wendy Stiver, Major, Dayton Ohio Police Department, NIJ LEADS Scholar and NIJ Practitioner in Residence

Major Wendy H. Stiver is the commander of the Central Patrol Division at the Dayton (OH) Police Department, and has previously served as the commander of the Central Investigations Bureau and in both East and West Patrol Divisions. She holds a master’s degree in criminal justice from the University of Cincinnati. She is also a graduate of the Police Executive Leadership College, Certified Law Enforcement Executive course and Police Executive Research Forum Senior Management Institute for Policing. Stiver is an adjunct at Wright State University in the Applied Behavioral Sciences program. She was selected to the 2016 class of the Law Enforcement Advancing Data and Science (LEADS) Program at the National Institute of Justice.

Portrait of Christopher Stone

Christopher Stone, Harvard University

Christopher Stone is the Daniel and Florence Guggenheim Professor of the Practice of Criminal Justice and the Director of the Hauser Center for Nonprofit Organizations at Harvard University. View Dr. Stone's presentation.

Melissa Taylor is a senior forensic science research manager within the Special Programs Office of the U.S. Department of Commerce’s National Institute of Standards and Technology. Her work within the Forensic Science Program focuses primarily on impression and pattern evidence-related research, improving forensic science management practices, and integrating human-factors principles into forensic sciences. Publications include The Biological Evidence Preservation Handbook: Best Practices for Evidence Handlers, Latent Interoperability Transmission Specification, and Latent Print Examination and Human Factors: Improving the Practice through a Systems Approach. Ms. Taylor has 15 years of scientific and management experience in the forensic science industry including positions with Booz Allen Hamilton, Lockheed Martin, and as a consultant to the National Institute of Justice. Ms. Taylor is the study director for the Expert Working Group on Human Factors in Handwriting Analysis and is an active member of the American Society for Quality, INTERPOL AFIS Expert Working Group, and International Association of Identification. She previously served as a member of the US Department of Justice National Commission on Forensic Science Human Factors Subcommittee and as co-chair of the White House Subcommittee on Forensic Sciences Latent Print AFIS Interoperability Task Force.

Charles Tyree has been with the New York State Division of Criminal Justice Services (DCJS) since August 2012 and supervises programs at the agency’s Office of Public Safety. His duties include overseeing the Gun Involved Violence Elimination (GIVE) initiative and the state Missing Persons Clearinghouse. Governor Andrew M. Cuomo also appointed him as statewide coordinator for the 1033 Federal Excess Property Program. As the GIVE program manager, Mr. Tyree is responsible for coordinating and managing all aspects of the grant-funded program, including coordinating statewide technical assistance, conducting research into evidence-based policing strategies, and acting as a liaison between DCJS and law enforcement agencies across New York.

Prior to joining DCJS, Mr. Tyree worked at the state Division of Homeland Security and Emergency Services, where he was responsible for overseeing a broad array of hands-on homeland security training for first responders. He was also responsible for revising this curriculum and assisting other agencies in obtaining federal approval for their training courses.

Mr. Tyree began his law enforcement career as a patrol officer with the New York City Police Department in 2000. He was a first responder during the terrorist attacks of September 11, 2001 and subsequently assisted in the recovery effort at Ground Zero. He was also part of the NYPD Task Force that aided the recovery effort in New Orleans, La., in the immediate aftermath of Hurricane Katrina in 2005. Mr. Tyree received numerous awards during his seven-year career with the NYPD, including the agency’s Certificate of Excellence for his actions in responding to a drive-by shooting. Mr. Tyree received his associate degree in criminal justice from Nassau Community College and a bachelor’s degree in Organizational Leadership and Communications from Marist College. At DCJS, he completed the agency’s Leadership Development Program and the Supervisor Certificate Course.

Portrait of John Violanti

John Violanti, Ph.D., State University of New York at Buffalo

John M. Violanti, Ph.D. is a research professor in the Department of Epidemiology and Environmental Health, School of Public Health and Health Professions at the University at Buffalo, New York. He is a police veteran, serving with the New York State Police for 23 years as a trooper, Bureau of Criminal Investigation, and a founding coordinator for the Psychological Assistance Program for the State Police. He has authored over 150 peer-reviewed articles and 18 books on suicide, stress and PTSD and lectured nationally and internationally at academic institutions on matters of suicide, stress, health, and trauma in policing.

Portrait of Charles Wellford

University of Maryland, College Park

Charles Wellford, Ph.D. is Emeritus Professor of Criminology and Criminal Justice at the University of Maryland College Park. In 2011 he was awarded the University of Maryland’s Presidents Medal. He was the founding director of the Office of International and Executive Programs (2005-07). From 1984 to 2007 he was Director of the Maryland Justice Analysis Center. He was Chair of the Department of Criminology and Criminal Justice (formerly Institute of Criminal Justice and Criminology) from 1981 to 1995, 1999 to 2004, and in 2012. From 1992 to 1998 he was Director of the Office of Academic Computing Services in the College of Behavioral and Social Sciences. For 1998, he was Acting Associate Provost and Dean of Continuing and Extended Education, and in 1998-99 he was Interim Associate Provost for Research and Dean of the Graduate School. He serves on numerous state and federal advisory boards and commissions. He is a past (1995-96) President of the American Society of Criminology (ASC), in 1996 was elected a Fellow of the ASC, and in 2001 was selected to be a lifetime National Associate of the National Academy of Sciences (NAS). He chaired the National Academy of Sciences Committee on Law and Justice from 1998 to 2004 and recently chaired the NAS panels on pathological gambling, panel on research on firearms, and the panel to assess the National Institute of Justice. In Maryland, he currently serves on the Maryland Police Training Commission and the Police Leadership Advisory Committee. From 1976-81 Dr. Wellford served in the Office of the United States Attorney General where he directed the Federal Justice Research Program. The author of numerous publications on criminal justice issues, Dr. Wellford's most recent research has focused on the determinants of sentencing, and the correlates of homicide clearance. At the University of Maryland, Dr. Wellford has been active in a variety of efforts. He has served on and chaired numerous academic review committees. He chaired the Campus Security Committee from 1985-1995, been a member of the Athletic Council (1986-89 and 1992-95, and 1997-2012), served on the Campus Human Subjects Committee (1983-87), served on campus drug committees, chaired the review of the Campus Admissions Office, served on the President's Committee on Freedom of Expression, been a member of the Graduate Council (1986-90) and Chair of its PCC (1986-90), and served on or chaired a number of recruitment committees. He is Past-chair of the Campus Senate and served on the campus Academic Policy Advisory Committee and campus promotions committee. Dr. Wellford has served as the campus Faculty Athletic Representative (1996 to present), President of the Atlantic Coast Conference (1999 and 2007) and served on the Leadership Council of the NCAA (2007-2010). In 1996 and 2001 he chaired the recruitment committees for the Provost and Vice President for Academic Affairs.​

Portrait of David Weisburd

David Weisburd, George Mason University

Dr. David Weisburd is a Distinguished Professor of Administration of Justice at George Mason University. He also holds a joint tenured appointment as the Walter E. Meyer Professor of Law and Criminal Justice at the Hebrew University Faculty of Law in Jerusalem, Israel. At his current appointment at George Mason Uni​versity, he is the Director of the Center on Evidence-based Crime Policy. Through this appointment, he is spearheading and continuing the hot spots policing work that won him the Stockholm Prize in Criminology. View Dr. Weisburd's discussion.

Portrait of John Wetzel

John Wetzel, Secretary of Corrections, Pennsylvania Department of Corrects

John Wetzel, widely recognized as one of the thought leaders in corrections today, was appointed Secretary of Corrections for the PA DOC (1/11) by Governor Corbett and reappointed by Governor Wolf (1/15). During his tenure an elimination of a 24-year average growth of 1500 inmates per year occurred presiding over the first population reduction in PA in over 4 decades, and a restructuring of the Community Corrections and mental health systems along with a re-engineering of internal processes to yield a more efficient system of program delivery. With over 29 years of experience in the corrections field, he has been selected as Chair of the Council of State Government’s Justice Center’s Executive Board and President of ASCA. He is a member of Harvard’s Executive Session on Community Corrections. A graduate of Bloomsburg University, in May 2016, the Indiana University of Pennsylvania along with Chestnut Hill College in May 2018, each presented to him an honorary doctor of laws.

View Secretary Wetzel along with other panelist in the seminar "What Works in Reentry."

Date Created: August 8, 2019