Dr. Robin S. Engel is Vice President for Safety and Reform, and Professor of Criminal Justice at the University of Cincinnati. She also serves as the Director of the International Association of Chiefs of Police (IACP) / UC Center for Police Research and Policy. Dr. Engel received her doctorate in criminal justice from the School of Criminal Justice at the University at Albany. She engages in research and evaluation in the field of criminal justice, and works directly with practitioners to implement crime reduction strategies while enhancing citizens’ perceptions of police legitimacy. Dr. Engel’s work includes establishing academic-practitioner partnerships and promoting best practices in policing, with expertise in empirical assessments of police behavior, police-minority relations, police supervision and management, criminal justice policies, criminal gangs, and crime reduction strategies. For the last several years, she has been ranked among the top academics, and the number one female academic in the field of criminal justice/criminology. Her work on violence reduction in the City of Cincinnati resulted in several prestigious team awards including the 2008 International Association of Chiefs of Police (IACP) / Motorola Webber Seavey Award for Excellence in Law Enforcement, the 2009 IACP/ West Award for Excellence in Criminal Investigations, and the 2008 National Criminal Justice Association’s Outstanding Criminal Justice Program Award.  In spring 2017, she was awarded the Distinguished Alumni Award from the School of Criminal Justice at the University at Albany, State University of New York.


Domingo Herraiz is the Director of Programs at IACP. His responsibilities include oversight of the Association’s work in the areas of highway safety, technology, mental health, children and youth, criminal justice system reform, countering violent extremism, crime and victimization, police administration, data and information sharing, crime prevention, and police research. Mr. Herraiz has more than 30 years of government and public safety experience in dealing with local, state, and federal policies. Prior to joining IACP, he served as the Vice President for North America Government Affairs at Motorola, responsible for public policy, government relations, and funding in the United States and Canada. Before joining Motorola, he served as the presidentially appointed, U.S. Senate-confirmed director of the Bureau of Justice Assistance (BJA), leading the DOJ’s largest funding and policy unit for state, local, and tribal criminal justice issues. Prior to his role as director of the BJA, Mr. Herraiz served on the Ohio Governor’s cabinet as the director of Criminal Justice Services. He also served as the director for the Ohio Crime Prevention Association. Mr. Herraiz received his undergraduate degree in Political Science from Ohio University.



Nicholas Corsaro is a researcher with the IACP/UC Center for Police and Policy. He is also an Associate Professor in the School of Criminal Justice at the University of Cincinnati. His research focuses on the role of the police in crime prevention with a particular emphasis on the use of strategies, tactics, and organizational policies. He has served as a principal investigator for a number of projects across various urban police agencies, and has worked to develop rigorous evidence regarding the most viable, effective, and efficient practices that police have used to address serious crime problems. His research has been published in Crime and Delinquency, Criminology and Public Policy, Journal of Criminal Justice, Journal of Experimental Criminology, Journal of Quantitative Criminology, Justice Quarterly, as well as evaluation and public health journal outlets. He received his doctorate from the School of Criminal Justice at Michigan State University.



Tim Sabransky is the Program Manager for the IACP/UC Center for Police Research and Policy. He has 32 years of law enforcement experience with three different police agencies (The Ohio State University PD, Cincinnati, Ohio PD and Loveland, Ohio PD.) He retired in October 2015 as Police Chief in Loveland, Ohio. He received his B.S. in Education from The Ohio State University and his M.P.A. from the University of Cincinnati. He is a graduate of the Southern Police Institute (SPI) 109th Administrative Officers Course at the University of Louisville, and the Certified Law Enforcement Executive (CLEE) program through the Ohio Law Enforcement Foundation. He is a past president of the Clermont County, Ohio Chiefs and Sheriffs Association, past chair of the Ohio Association of Chiefs of Police (OACP) Education Committee and remains an active member. He served as a subject matter expert for the Ohio Peace Officer Training Academy (OPOTA) and is an Assessor and Peer Resource for the Ohio Collaborative Community-Police Advisory Board, providing assistance to agencies seeking compliance with Ohio policing standards.

Amanda Burstein is the Program Manager for the IACP/UC Center for Police Research and Policy and the Research Advisory Committee. Before joining the Center, she spent six years overseeing multiple initiatives including officer safety and wellness programs such as reducing officer injuries, promotion of vest wear, prevention of officer suicide, and other components including a national training program on Alzheimer's disease and dementia, the IACP Foundation, crime prevention committee, and police foundation section. She served on several working groups, including the National Officer Safety and Wellness Working Group and the CDC’s National Institute of Occupational Safety and Health’s Public Sector Working Group. She has also acted as guest editor for Police Chief Magazine on several issues providing subject matter review.

Amanda Graham, M.S. is a doctoral student and research assistant in the School of Criminal Justice at the University of Cincinnati. Prior to studying and working at the University of Cincinnati, she spent nearly five years as a police dispatcher at the University of Nebraska - Lincoln. After graduating from the University of Nebraska - Lincoln with a B.A. in Psychology, she completed her M.S. in Criminology and Criminal Justice from the University of Nebraska - Omaha. Her research interests include policing, public policy, and crime prevention.

Hannah McManus, M.S. is a research assistant for the IACP/UC Center for Police Research and Policy. She graduated from the University of Alabama with a B.A in Criminal Justice and Spanish in 2009, earned an M.S. in Criminal Justice from the University of Cincinnati in 2014, and is currently pursuing her doctorate in Criminal Justice with a concentration in police research at the University of Cincinnati. Hannah's past research efforts include work with a research team in the examination of disproportionate minority contact across the juvenile justice system in Ohio. Her current research/work interests include police effectiveness and legitimacy, public perceptions of police, and the establishment of academic-practitioner partnerships for the promotion of best practices in policing. 

Murat Ozer is a senior research associate and Director of Data Analytics of Institute of Crime Science at University of Cincinnati. His research interests include developing early warning systems using big volume of data, violence reduction strategies, social network analysis, anti-terrorism policies, and data driven crime prevention efforts in policing agencies. His previous research has appeared in Justice Quarterly and Journal of Criminal Justice. 

Cory Schnell is a post-doctoral research associate at the IACP/UC Center for Police Research and Policy. He completed his B.S. from the University of Cincinnati in 2011, M.A. from Rutgers University in 2014, and his PhD from Rutgers University in 2017. During his graduate studies at Rutgers he worked as a member of an embedded research unit in the Newark Police Department and as a research affiliate on several large-scale projects designed to improve policing policy in urban communities. He has also been able to teach courses on contemporary policing at Rutgers University. His research interests are evidence-based policing, place-based criminology, and quantitative methods. Over the past five years his research has appeared in the Journal of Quantitative Criminology, Journal of Research in Crime and Delinquency, Police Quarterly, and Journal of Experimental Criminology. His dissertation research explores the longitudinal spatial distribution of violent crime incidents in Chicago in order to develop more effective place-based crime prevention strategies. 


Dr. Tamara D. Madensen is Graduate Director and Associate Professor in the Department of Criminal Justice at the University of Nevada, Las Vegas. Her research interests include crime opportunity structures, place management, and crowd dynamics and violence. Her publications propose, extend, or test crime science theoretical models. They also help translate research findings into practice and policy. Her work has appeared in various outlets, including Criminology and Justice Quarterly. She has published numerous practitioner-focused research papers, including two Problem-Oriented Policing Guides funded by the COPS Office and a research monograph selected as a Herman Goldstein Excellence in Problem-Oriented Policing Award finalist. Her book, Preventing Crowd Violence, has been translated into two foreign languages. She provides consultation services to police, private security agencies, and national training organizations. Dr. Madensen also serves as a lead reviewer for the Assistant Attorney General’s Office: Evidence Assessment of Justice Programs/Practices, Silver State Law Enforcement Academy instructor, and International Association of Crime Analysts subject-matter expert. At UNLV, Dr. Madensen has received the CSUN Faculty Excellence Award, and College of Urban Affairs and University Spanos Distinguished Teaching Awards.


Dr. Robert E. Worden is the Director of the John Finn Institute, and an Associate Professor of criminal justice at the University at Albany, State University of New York, on whose faculty he has served since 1990. He holds a Ph.D. in political science from the University of North Carolina at Chapel Hill, with specializations in public administration and public policy. Dr. Worden has conducted basic research on the forces that shape police decision-making and behavior, and applied research on police strategies, programs, and reforms. His scholarship has appeared in a number of academic journals, and his research has been funded by the National Institute of Justice (NIJ), the Bureau of Justice Assistance, the New York State Division of Criminal Justice Services, and a number of local governments. In 2000, he was appointed to serve on the National Research Council’s Committee to Review Research on Police Policies and Practices, whose report, Fairness and Effectiveness in Policing: The Evidence, was published by the National Academies Press in 2004.  He is the co-author (with Sarah McLean) of Mirage of Police Reform: Procedural Justice and Police Legitimacy.

Dr. Sarah J. McLean is the Associate Director and the Director of Research and Technical Assistance at the John Finn Institute. She holds a Ph.D. in criminal justice from the University at Albany, with a specialization in policy and process.  At the Institute she designs and manages evaluative research on criminal justice strategies and interventions, such as gun interdiction patrols, wireless video surveillance, truancy abatement programs, and chronic offender initiatives. Dr. McLean has formal training in qualitative techniques and extensive experience in engaging in qualitative research and analysis. Her research has been supported by the National Institute of Justice (NIJ) and state and local agencies.  She is the co-author (with Rob Worden) of Mirage of Police Reform: Procedural Justice and Police Legitimacy

Dr. Rob Tillyer is the Associate Dean of Graduate Studies & Research in the College of Public Policy and an Associate Professor of Criminal Justice at the University of Texas at San Antonio.  His research interests include decision-making within the criminal justice system, situational factors associated with crime, victimology, and crime prevention.  Recent journal articles have appeared in Journal of Research in Crime & Delinquency, Justice Quarterly, Criminal Justice & Behavior, and Crime & Delinquency.  He has also received funding from federal, state, and local governments to oversee several criminal justice related research projects.