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ACE! frequently calls on affiliates to provide expertise on projects. These experts in their field help enhance projects by advising us and our study sites.
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  GMU Faculty Affiliates  
Alison Cuellar, Ph.D.

Dr. Cuellar, Associate Professor of Health Administration and Policy, has extensive research experience in health care systems, Medicaid, mental health, and justice involved populations. Her contributions include work on identifying and evaluating new organizational forms, such as hospital systems and physician alliances, and their effects on quality, efficiency, costs, prices, and technology adoption. In other work supported by the National Institute of Mental Health, she has examined the intersection of behavioral health and the juvenile justice systems; on Medicaid policies and their impact on justice-involved youth and youth with behavioral health problems; on mental health courts as an innovative alternative for juvenile delinquents; and on health care services for incarcerated youth and adults returning to the community.  She was a member of a national collaborative Mental Health Policy network supported by the MacArthur Foundation. She also was co-investigator on a pediatric health needs assessment in Washington, D.C. with a special focus on vulnerable and minority populations. In addition, she spent the 2005-06 academic year as a visiting economist to the U.S. Department of Justice. She is co-editor of the Economic Grand Rounds column in the journal Psychiatric Services. Her work has been published in several journals, including Journal of Policy Analysis and Management, Journal of Health Economics, American Journal of Public Health, Health Affairs, Archives of Pediatric and Adolescent Medicine, American Journal of Psychiatry and Psychiatric Services, among others.  Previously, Dr. Cuellar was an Assistant Professor in the Department of Health Policy and Management at Columbia University.

Phone: 703-993-5048

shannonCurriculum Vitae

Gary Kreps, Ph.D.

Gary L. Kreps is a University Distinguished Professor and Chair of the Department of Communication at George Mason University. He teaches undergraduate and graduate courses in Communication Research, Health Communication, Organizational Communication, Consumer-Provider Health Communication, Health Communication Campaigns, and E-Health Communication.
Dr. Kreps received his BA and his MA in Communication from the University of Colorado, Boulder and his PhD from the University of Southern California.Dr. Kreps' areas of expertise include health communication and promotion, information dissemination, organizational communication, information technology, multicultural relations, risk/crisis management, health informatics, and applied research methods.He is the Director of the Center for Health and Risk Communication, serves on the Governing Board of the Center for Social Science Research, and is a faculty affiliate of the National Center for Biodefense and Infectious Diseases, the Center for Health Policy & Ethics, the Center for the Study of International Medical Policies and Practices, the Climate Change Communication Center, the Center fo Consciouness & Transformation, and the Center for Health Information Technology, at George Mason.

His published work includes more than 350 books, articles, and monographs concerning the applications of communication knowledge in society.

Phone: 703.993.1090

shannonCurriculum Vitae

Cathleen Lewandowski, Ph.D.

Cathleen Lewandowski is a professor in the College of Health and Human Services and a Chair in the Department of Social Work. Her research focus is on child welfare, substance abuse, and mental health services for children and adolescents. She received her Ph.D. from The University of Kansas in 1997, her M.S.W. at St. Louis University in 1981 and her B.A. from Blackburn College in 1975.


shannonCurriculum Vitae


Liansheng Larry Tang, Ph.D.

Liansheng Larry Tang is an Assistant Professor in Volgenau School of Engineering's Department of Statistics. His areas of research interest include diagnostic medicine, sequential clinical trials, and wavelets and bootstrap methodology. Dr. Tang received his Ph.D. in Statistics from Southern Methodist University in 2005.

Phone: 703.993-9111
juneCurriculum Vitae
June Tangney, Ph.D.
tag June Price Tangney received her Ph.D. in clinical psychology from UCLA. After teaching for two years at Bryn Mawr College, she joined the Psychology Department at George Mason University in 1988, where she is currently Professor of Psychology. In 2007, she was honored to become University Professor at GMU. A Fellow of APA’s Division of Personality and Social Psychology and the American Psychological Society, Professor Tangney is coauthor (with Ronda Dearing) of Shame and Guilt, coeditor (with Jess Tracy and Richard Robins) of The self-conscious emotions: Theory and research, and co-editor (with Mark Leary) of the Handbook of Self and Identity. She has served as Associate Editor for Self and Identity, Consulting Editor for Journal of Personality and Social Psychology, Personality and Social Psychology Bulletin, Psychological Assessment, Journal of Social and Clinical Psychology, and Journal of Personality, and is currently Associate Editor of American Psychologist. Her research on the development and implications of moral emotions has been funded by NIDA, NICHD, NSF, and the John Templeton Foundation. Currently, her work focuses on moral emotions among incarcerated offenders. A recipient of GMU’s Teaching Excellence Award, she strives to integrate service, teaching and clinically-relevant research in both the classroom and her lab.

Phone: 703.993.4051
juneCurriculum Vitae
David Weisburd

David Weisburd is a Distinguished Professor at George Mason University and Director of the Center for Evidence Based Crime Policy. He also holds a joint appointment as the Walter E. Meyer Professor of Law and Criminal Justice and Director of the Institute of Criminology of the Hebrew University Faculty of Law in Jerusalem. He serves as a Senior Fellow at the Police Foundation in Washington DC and is Chair of its Research Advisory Committee. Professor Weisburd is an elected Fellow of the American Society of Criminology and of the Academy of Experimental Criminology. He is a member of the Science Advisory Board of the Office of Justice Programs, the Steering Committee of the Campbell Crime and Justice Group (as Co-Chair),and the Committee on Law and Justice of the National Research Council. He also served on the NRC working group on Evaluating AntiCrime Programs and its panel on Police Practices and Policies. Professor Weisburd is one of the leading international researchers in crime and justice. He is author or editor of twenty books and more than 100 scientific articles that cover a wide range of criminal justice research topics, including crime at place, violent crime, white collar crime, policing, illicit markets, criminal justice statistics and social deviance. Professor Weisburd is editor of the Journal of Experimental Criminology and sits on the editorial boards of Criminology, the Journal of Research in Crime and Delinquency, and the Journal of Quantitative Criminology. He is the 2010 winner of the Stockholm Prize in Criminology and the 2011 winner of the Klachky Prize for the Advancement of the Frontiers of Science.



Phone: 703.993.4079

James Witte, Ph.D.

James Witte is a professor of sociology and Director of the Center for Social Science Research. Witte, who earned his PhD from Harvard in 1991, has been a professor at Clemson University and Northwestern University. He was a postdoctoral fellow at the Carolina Population Center and a lecturer in sociology at the University of North Carolina at Chapel Hill.

Witte's ongoing research focuses on ways to use the world wide web to collect survey data and on the similarities and differences between online and off-line societies.



Phone: 703-993-2993

Rick Zimmerman, Ph.D.

Dr. Zimmerman is the Chair of the Dept. of Global and Community Health at George Mason University.  He received his Ph.D. in sociology in 1983 from the University of Wisconsin with specialization in Medical Sociology.  He and his colleagues started the Ph.D. program in medical sociology at the University of Miami in the mid-1980s, and served as a faculty member in the Dept. of Behavioral Science in the School of Medicine and the Dept. of Communication at the University of Kentucky from 1994-2008.  Most recently before coming to GMU he was a Professor in the Dept. of Social and Behavioral Health at VCU in Richmond.

His work has focused on understanding why people engage in risky or health-promoting behaviors.  He has been consistently funded by NIH over the last 20 years, conducting primarily intervention work focused on risky sexual behavior and substance use.  He and his colleagues have adapted school-based interventions in the US, South Africa and Ethiopia; community-based interventions with young gay men, inner city housing development residents and youth in detention facilities;  and mass media interventions to increase condom use among young adults and delay sexual activity in adolescents in the US.  He has been developing a theory of behavior change, the Multiple Domain Model, and hopes to conduct research on the impact of reporting about HIV-related medical advances on risk-taking in high-risk populations, cost-effectiveness of HIV mass media prevention campaigns, and combination prevention approaches to HIV. He has received over $20 million in grants from NIH and published nearly 100 peer-reviewed journal articles.



Phone: 703-993-3722

GMU Student Affiliates
Reyna V. Cartagena

Reyna is a graduate of the College of William and Mary, where she majored in Sociology. Her career in the criminal justice field began as a Correctional Officer with the District of Columbia Department of Corrections’ Maximum Security Facility. She then accepted a position as a Bilingual Probation Officer for the D.C. Superior Court Child Abuse Unit and, later, in the Juvenile Probation Unit.

Following the 1997 Revitalization Act, Reyna accepted a position with the Court Services and Offender Supervision Agency, where she served as a Pre-Sentence Report writer for several years. She was then promoted to the position of Supervisory Community Supervision Officer, a post she has held for the past ten years.

As a criminal justice professional, Reyna has received several honors and acknowledgments, to include the Medal of Merit from the D.C. Metropolitan Police Department, the Norm Helber Award for Leadership from the American Probation and Parole Association, the Sal Russolieno Award for Service from the Middle Atlantic States Correctional Association, and special certificate of appreciation from the Office of the United States Attorney for exceptional law enforcement assistance.

Reyna has been an adjunct Instructor with CSOSA’s Training Academy and has represented the agency internationally in both El Salvador and Mexico, assisting in efforts to broaden the reach of community supervision. Reyna has also completed the Leadership Institute with the American Probation and Parole Association, where she remains an active member. She is currently the National Program Chair for APPA’s 2012 Winter Institute and serves as a Sponsor in the current leadership institute.

Reyna is pursuing her Masters, with a goal of earning her Ph.D. She is doing so with the full support of her husband of 15 years (Edgar) and their three loving children (Edgar Jr, Padraic, and Reyna Milagros).

Stephanie Maass, MA

Stephanie A. Maass is a PhD student in the Criminology, Law & Society Graduate Program at George Mason University. She has a Bachelor of Science in Administration of Justice and a MA degree in Justice, Law & Crime Policy from George Mason University. Stephanie worked as a Research Associate for ACE! For several years, working on projects funded by BJA to deliver web-based training in evidence-based practices to community corrections staff. Her research interests include drug and alcohol control policies as they relate to delinquency and violence, therapeutic communities and offender rehabilitation.


Outside Faculty Affiliates
Frederick Altice, MD, MA

Frederick L. Altice is a professor of Medicine, Epidemiology and Public Health and is a clinician, clinical epidemiologist, interventionist and researcher at Yale University School of Medicine and School of Public Health. Dr. Altice’s primary research projects focuses on the interface between infectious diseases and substance use disorders.  He also has a number of projects working in the criminal justice system, including transitional programs addressing infectious diseases, medication assisted therapies (methadone, buprenorphine, extended release naltrexone), mental illness and social instability.  Specific topics include alcohol  and opioid abuse on HIV treatment outcomes, HIV and substance abuse treatment, interface with the criminal justice system, and pharmacokinetic drug interactions between treatment for substance abuse and antiretroviral therapy. His research has focused on development of and evaluation of adherence interventions to antiretroviral therapy. Additionally, his research seeks to understand integration of methadone, buprenorphine and extended released naltrexone and its role in primary and secondary HIV prevention, including retention in care. His work has a global health focus with funded research projects internationally in Malaysia, Indonesia, Ukraine, Russia, Central Asia, Peru and Argentina.  He has participated in projects through the National Institute on Alcohol Abuse and Alcoholism, the National Institute on Drug Abuse, Centers for Disease Control and Prevention, Substance Abuse and Mental Health Services Agency and the Center for Substance Abuse Treatment.  He is currently also collaborating on projects with the WHO, UNAIDS, USAID, PEPFAR and UNODC.  


Phone: 203-737-2883

Steven Belenko, Ph.D.

Steven Belenko, Ph.D. was appointed Professor in the Temple University Department of Criminal Justice in August 2006. Dr. Belenko received his B.S. in applied mathematics and Ph.D. in experimental psychology from Columbia University. Dr. Belenko's primary research interests are in substance abuse and crime, the impact of drugs on the adult and juvenile justice systems, HIV risk behaviors and related service needs for offenders, the integration of treatment and other health services in criminal justice settings, and the implementation of evidence-based practice. His current research projects include: (1) Prevalence and risk factors for sexually transmitted infections among juvenile delinquents; (2) effects of viewing drug-related websites on initiation of marijuana use among adolescents; (3) effects of improved technology on organizational cohesion and collaboration in drug courts; (4) development and testing of brief interventions for delinquents at risk for substance abuse; and (5) improving implementation of evidence-based drug treatment in criminal justice settings.

Dr. Belenko has published numerous articles and book chapters, and is the author of two books: Crack and the Evolution of Antidrug Policy (winner of the American Library Association's Choice Magazine academic book of the year award), and Drugs and Drug Policy in America: A Documentary History.

Brandy Blasko, Ph.D.

Brandy Blasko is an Assistant Professor at Sam Houston State University. Previously, Brandy had been a Postdoctoral Research Fellow with a joint appointment at ACE! and the Human Emotions Research Laboratory (Department of Psychology). Brandy graduated from Temple University in May 2013 with her Ph.D. in Criminal Justice. Her doctoral dissertation work, titled The Uncharted Influence of Prison Staff Decisionmaking, provides results to advance understanding of the exercise of discretion by prison staff. Her intellectual and research interests fall into two linked areas: (1) prison and jail environments—specifically, understanding components of the environment that reduce the harm of the experience for incarcerated individuals and lower custodial issues for staff; and (2) practitioner-client relationships (e.g., working alliance) within the criminal justice system. A common theme reflected in each of her interests is discretion in criminal justice decision-making and how these processes influence the equity of outcome. Before joining GMU, Brandy worked as a clinician for several years within the Pennsylvania Department of Corrections. She received her B.S. in Psychology and B.A. in Administration of Justice from the University of Pittsburgh and her M.A. in Forensic Psychology from John Jay College of Criminal Justice.


James Byrne, Ph.D.

James M. Byrne (Ph.D., Rutgers University, 1983) has close to 30 years’ experience in the field of criminal justice and criminology. He has taught at the University of Massachusetts Lowell since 1984. Professor Byrne has conducted a wide range of evaluations of criminal justice initiatives, including offender reentry, intensive probation supervision, drug testing in federal pretrial systems, domestic violence control, drug treatment, day reporting centers, drunk driving interventions, absconder location/apprehension strategies, sex offender monitoring/ location technology, suicide prevention among alleged sex crime defendants in federal pretrial settings, and the impact of the National Institute of Corrections’ Institutional Culture Change Initiative on prison violence. He has also served as a peer reviewer for NSF, NIJ, BJA, and NIDA, and provided testimony on the effectiveness of community sanctions before Congress and the U.S. Sentencing Commission. 

In 2011, Professor Byrne was the recipient of both the Distinguished Scholar Award and the Marguerite Q. Warren and Ted B. Palmer Differential Intervention Award from the American Society of Criminology’s Division on Corrections and Sentencing. For the past 5 years, he has served as the Co- Editor of the journal, Victims and Offenders: Journal of Evidence-Based Practices. He is also on the editorial board for the journal, Criminology and Public Policy, and National Advisory Committee for the journal, Federal Probation, a publication of the Administrative Office of the U.S. Courts. 



Jill Farrell, Ph.D.
jf Jill Farrell, Ph.D., is the Director of the Innovations Institute’s Maryland Center for Juvenile Justice at the University of Maryland, Baltimore. Her current research focuses on the development and implementation of a statewide assessment and case management system for Maryland Department of Juvenile Services (DJS), racial disparities in Maryland’s juvenile justice system, and improving juvenile case management practices through comprehensive training approaches. Prior to joining the Institute in April 2010, Dr. Farrell conducted applied policy research at the University of Maryland’s Institute for Governmental Service and Research, the Urban Institute, and the Maryland State Commission on Criminal Sentencing Policy. She also worked in Baltimore City as a youth advocate with the Choice Program, where she worked directly with youth involved in the juvenile justice system. She holds both a Ph.D. and M.A. in Criminology and Criminal Justice from University of Maryland, and a B.A. with distinction in Psychology from Boston College.

Phone: 410.706.6693
farrellCurriculum Vitae

Peter Friedmann, MD, MPH
Dr. Peter D. Friedmann, is a Professor of Medicine & Community Health at Brown University. Dr. Friedmann is a substance abuse health services researcher and addiction medicine physician. He was the lead investigator of the Step ‘n Out study, which provided the foundation for the JSTEPS study.

Karen S. Ingersoll, Ph.D.

Karen Ingersoll is an Associate Professor in Psychiatry and Neurobehavioral Sciences at the Universtiy of Virginia. Dr. Ingersoll's current research deals with behavioral treatment development for addictive behaviors and problematic health behaviors. Specific interests include studies of motivational interviewing and empirically supported therapies to: 1) enhance clinical outcomes for substance users with HIV/AIDS, 2) enhance medication adherence, 3) prevent fetal alcohol spectrum disorders, 4) prevent STDs and unwanted pregnancy, and 5) treatment of addictive disorders in medical patients including those with pregnancy, pancreatitis, liver disorders, and pain.


Phone: 434-243-0581

William Lawson, Ph.D., M.D.
wl Dr. Lawson is currently Professor and Chairman of the Department of Psychiatry and Behavioral Sciences at Howard University College of Medicine and Hospital . He is a Distinguished Fellow of the American Psychiatric Association, Chair of the Committee of Tellers for the American Psychiatric Association, treasurer of the American Orthopsychiatry Association, and a member of the American College of Psychiatrists. He is on the Scientific Advisory Boards of the National Alliance for the Mentally Ill and the Depression and Bipolar Support Alliance. Dr. Lawson received his Bachelor’s degree from Howard University, Master’s from the University of Virginia, and Ph.D. in Psychology from the University of New Hampshire. He received his M.D. degree from the University of Chicago, and did his residency at Stanford University Medical Center. He completed a fellowship in clinical psychopharmacology at the National Institute of Mental Health intramural program and did an addictions fellowship at Vanderbilt University. He is certified by the Board of Psychiatry and Neurology in General Psychiatry and has Added Qualifications in Addictions. He has over one hundred publications involving severe mental illness and its relationship to psychopharmacology, substance abuse, and racial and ethnic issues. He has a long standing concern about ethnic disparities in mental health treatment, and has been an outspoken advocate for access to services for the severely mentally ill. He has been chair of the Chairman of the Department of Psychiatry and Behavioral Sciences since 2000.

Brian Lawton, Ph.D.

Brian Lawton is an Assistant Professor in the Department of Criminal Justice. Prior to coming to John Jay he has worked as an Assistant Professor at Sam Houston State University and most recently at George Mason University. His research interests focus on the intersection of crime and health, place and crime, and fear and safety concerns. He received his doctorate in Criminal Justice from Temple University and has had research articles published in journals such as Justice Quarterly, Quantitative Criminology and the Journal of Crime and Delinquency.


Peter Luongo, Ph.D.
Dr. Pete Luongo is an accomplished clinician and an expert in counseling and performance monitoring techniques. Dr. Luongo is working as a consultant with GMU’s JSTEPS team, providing training on behavioral management and contracting with offenders. Dr. Luongo previously served as Director of the Maryland Alcohol and Drug Abuse Administration and was a faculty associate at Johns Hopkins University. Dr. Luongo holds a doctorate in social work from the University of Maryland at Baltimore School of Social Work.

April Pattavina, Ph.D.

April Pattavina, Ph.D., is an associate professor in the Department of Criminal Justice & Criminology at the University of Massachusetts at Lowell. One of her research areas includes public safety laws and their influence on local police practices. Current work in this area involves research on the impact of domestic violence laws on the police response to domestic violence.  She is also interested in the impact of information and computer technology on the operation of the criminal justice system. She has published several articles and book chapters on the subject and is the editor and contributing author of the recent book, Information Technology and the Criminal Justice System. She teaches courses on crime mapping and criminal justice data analysis.


Phone: 978-934-4145


Judith Sachwald

Ms. Sachwald worked for the State of Maryland for 31 years in 10 different agencies including the Office of the Governor. Since November 2007, she has been applying her rich and varied experiences to working as a consultant assisting jurisdictions with leadership, organizational development and evidence-based practice implementation challenges. Ms. Sachwald has served on numerous committees and task forces and she chaired the Executive Board of the Washington/Baltimore HIDTA in 2002-03 and 2006-07. She was a member of the Board of Directors of the Maryland Crime Victims’ Resource Center for a more than a decade and continues to be actively involved the Center’s work. Ms. Sachwald currently serves on the Editorial Board for Perspectives, the professional journal published by the American Probation and Parole Association.



Lincoln B. Sloas, Ph.D.

Lincoln B. Sloas is an Assistant Professor at Florida Atlantic University. He received his B.A. in 2006 and his M.A. in 2008 from Morehead State University and received his Ph.D. in the Criminology, Law, and Society Program at George Mason University in 2015. Lincoln worked at ACE! for several years. His research interests include sexual offending, criminological theory, spatial analysis, evidence-based practices, and offender rehabilitation.


Maxine Stitzer, Ph.D.
Dr. Maxine Stitzer is a renowned expert in pharmacological and behavioral approaches to the treatment of substance abuse and has developed and tested contingency management interventions that can motivate positive behavior change in drug abusers enrolled in methadone or drug-free treatment. Dr. Stitzer serves as a consultant for JSTEPS, sharing her expertise in contingency management. She is also a professor in Psychiatry and Behavioral Sciences at Johns Hopkins University.

Jill Viglione, Ph.D.

Jill Viglione is an Assistant Professor at the University of Texas San Antonio. Jill worked for ACE! For several years after completion of her Master's from Villanova University. She received her Ph.D. in the Criminology, Law, and Society Program at George Mason University in 2015. Her research interests include cultural representations of race, poverty and crime, as well as corrections and capital punishment.

Douglas Young, MS
Douglas Young is a Senior Faculty Research Associate with the Institute for Governmental Service and Research at the University of Maryland, College Park. At IGSR, he is involved in action research with state and local justice and public health agencies, directing evaluations and providing program development assistance in juvenile assessment and aftercare, adult corrections and substance abuse treatment, drug courts, and offender reentry. He is co-PI of the Coordinating Center for the Criminal Justice Drug Abuse Treatment Studies (CJ-DATS), a national research network established by NIDA, and his current research includes a national, multi-level survey of offender treatment, and a controlled study of technology transfer in juvenile case management and substance abuse treatment. Before joining the University of Maryland, Mr. Young spent fifteen years with the Vera Institute in New York City, where he led studies on courts’ use of new treatment alternatives, compulsory treatment, drug courts, alternative-to-incarceration programs, and prison treatment programs

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