Dr. Emily Greene-Colozzi is an assistant professor in the School of Criminology and Justice Studies at the University of Massachusetts Lowell. Her research focuses on the situational correlates of public mass gun violence, school violence, and extremist violence, and in particular, on harm mitigation and prevention techniques through environmental design and situational crime prevention. She has developed and contributed to several federally-funded open-source databases measuring rare and mass violence, including her doctoral dissertation (City University of New York, John Jay College of Criminal Justice). Additional research interests include advancing and improving open-source data reliability, transparency, and integrity. Her work has been published in Journal of School Violence, Crime & Delinquency, Justice Quarterly, and Aggression and Violent Behavior.

Dr. Amanda Nickerson, PhD, NCSP, is a professor and director of the Dr. Jean M. Alberti Center for the Prevention of Bullying Abuse and School Violence at the University at Buffalo, State University of New York. Nickerson’s research focuses on school crisis prevention and intervention, with a particular emphasis on violence and bullying. She has examined the role of schools, parents, and peers in preventing violence and enhancing the social-emotional strengths of children and adolescents. Nickerson is the lead author of Assessing, Identifying, and Treating Posttraumatic Stress Disorder at School (2009, Springer), co-author of School Crisis Prevention and Intervention: The PREPaRE Model (2009, National Association of School Psychologists [NASP]), and co-editor of Handbook of School Violence and School Safety: International Research and Practice, 2nd Edition (2012, Routledge). She has published over 80 journal articles and book chapters. Her research has been funded by the National Institutes of Health, the American Educational Research Association, the NYS Office of Child and Family Services, The Committee for Children, and the NYS Developmental Disabilities Planning Council.

Nickerson is a fellow of the American Psychological Association (Division 16) and is Coordinator of Research for the National Association of School Psychologists (NASP) School Safety and Crisis Prevention Committee. She has served as associate editor of the Journal of School Violence and is a member of several other editorial boards (Journal of School Psychology, School Psychology Review). She serves on the executive board of the New York Association of School Psychologists and is a member of Governor Cuomo’s Suicide Prevention Task Force.

A licensed psychologist in New York state and a Nationally Certified School Psychologist, Nickerson is committed to the scientist-practitioner model of training. She views research and science as foundational to good practice, and helps practitioners use this knowledge to guide practice. Nickerson has conducted hundreds of presentations for educators and mental health professionals in the United States and other countries. She has also worked in close collaboration with schools and other child-serving agencies to guide them in using data to inform practice, particularly related to improving social-emotional and behavioral functioning and preventing bullying and violence.

Jaclyn Schildkraut, PhD, is the executive director of the Regional Gun Violence Research Consortium. Prior to this appointment, she served as an associate professor of criminal justice at the State University of New York (SUNY) at Oswego. A national expert on school and mass shootings, Schildkraut’s work focuses on the effectiveness of policies aimed at prevention, mitigation, response, and recovery. Her most recent research, conducted as part of the largest study in the nation to date, examined the effects of school lockdown drills on participants and their skill mastery. In addition to being published in a book and multiple journal articles, the findings of this research are being used by school districts to help improve their emergency response plans. She also has conducted and published research examining the impacts of mass shootings on survivors, which led to her providing an expert report for Canada’s Mass Casualty Commission charged with investigating the April 2020 mass casualty event in Nova Scotia. Other recent projects have considered perceptions of armed teachers and policy responses to mass shootings.

Schildkraut is the co-author of Mass Shootings: Media, Myths and Realities (2016); Columbine, 20 Years Later and Beyond: Lessons from Tragedy (2019); and Lockdown Drills: Connecting Research and Best Practices for School Administrators, Teachers, and Parents (2022). She served as the editor on two additional volumes—Mass Shootings in America: Understanding the Debate, Causes, and Responses (2018) and Guns in American Society: An Encyclopedia of History, Politics, Culture, and the Law (3rd edition; 2022), and has two additional books under contract. Her research related to mass and school shootings also has been published more than 40 scholarly articles that appear in journals such as the American Journal of Criminal Justice, Homicide Studies, Journal of School Violence, Victims & Offenders, School Psychology Review, Educational Policy, Security Journal, and Crime Prevention and Community Safety. Schildkraut’s research and expertise are regularly sought after by local, national, and international news outlets, including CNN, Fox News, The New York Times, Washington Post, Wall Street Journal, National Public Radio, Associated Press, Reuters, BBC News, and The Telegraph (UK).

Dr. Jason R. Silva is an assistant professor in the Department of Sociology and Criminal Justice at William Paterson University. His research examines mass shootings, terrorism, school violence, and media coverage of crime. Silva recently developed the Global Mass Shooting Database to understand and compare perpetrator motivations and strategies for intervention and prevention. His recent publications have appeared in Aggression and Violent Behavior, American Journal of Criminal Justice, Criminal Justice Policy Review, International Criminal Justice Review, International Journal of Comparative and Applied Criminal Justice, Justice Quarterly, Journal of Interpersonal Violence, Security Journal, Studies in Conflict and Terrorism, Violence against Women, and Victims & Offenders. Silva has been a featured mass shooting and firearm violence expert for media outlets including CBS, Denver Post, NBC, Newsweek, and USA Today. His work has also appeared in CNN, New York Magazine, NPR, Oxygen, and The Conversation.