Faculty
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Eileen M. Ahlin
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DegreePh.D., Criminology and Criminal Justice, University of Maryland, College Park
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DegreeM.A., Sociology, George Mason University
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DegreeB.A., Administration of Justice and Sociology, Penn State
Dr. Eileen M. Ahlin is an associate professor of criminal justice in the School of Public Affairs at Penn State Harrisburg. She joined the faculty in 2013 after 15 years with a private corporation, where she conducted criminal justice research at the federal, state, and local levels. Her teaching and research interests include violence, neighborhood effects, corrections, research methods, and criminological theory.
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Shaun L. Gabbidon
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DegreePh.D. Criminology, Indiana University of Pennsylvania
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DegreeM.S. Criminal Justice, University of Baltimore
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DegreeB.S. Governmental Administration with focus in Criminal Justice, Christopher Newport University
Dr. Shaun Gabbidon is the author of more than 100 scholarly publications. The recipient of numerous awards, Dr. Gabbidon was awarded the 2015 Julius Debro Award for outstanding service and the 2016 Outstanding Teaching Award, both from the Division on People of Color and Crime of the American Society of Criminology. He teaches course in the areas of race, ethnicity, and crime; research methods; and private security administration.
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Jennifer Gibbs
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DegreePh.D., Criminology and Criminal Justice, University of Maryland, College Park
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DegreeCertificate, University Teaching and Learning, University of Maryland, College Park
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DegreeM.S., Criminal Justice Administration, Niagara University
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DegreeB.A., Psychology, Keuka College
Dr. Jennifer Gibbs' research interests focus on policing topics, including violence against police, public attitudes toward police, diversity in recruitment and retention, and terrorism. Her work on social distance and attitudes toward police, co-authored with Dr. Jonathan Lee, received recognition in the 2016 Emerald Literati Network Awards for Excellence. At Penn State World Campus, Dr. Gibbs typically teaches courses on policing (CRIMJ 210: Policing in America; CRIMJ 408: Police Administration) and ethics (CRIMJ 465: Ethics in Criminal Justice).
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Daniel Howard
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DegreePh.D., Sociology, University of Delaware
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DegreeM.S., Criminal Justice, New Mexico State University
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DegreeB.S., Sociology, The College of Wooster
Dr. Daniel Howard joined the faculty at Penn State Harrisburg in 2012 after earning his Ph.D. in sociology at the University of Delaware. His research interests include correctional programming, treatment policy, and evaluation methodology. He teaches corrections classes for Harrisburg and World Campus programs and graduate seminars in criminal justice policy and administration. Dr. Howard's work has appeared in Justice Quarterly, Policing: An International Journal, Criminal Justice Policy Review, and Journal of Crime and Justice, as well as the Pennsylvania bar association magazine.
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Don Hummer
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DegreePh.D., Social Science-Criminal Justice, Michigan State University
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DegreeM.S., Criminal Justice, Shippensburg University
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DegreeB.S., Sociology/Anthropology, Elizabethtown College
Dr. Don Hummer is co-author/editor of The Culture of Prison Violence, Handbook of Police Administration, and the forthcoming The Technology Revolution in Criminal Justice. His work, focused primarily on offender treatment and control, has appeared in peer-reviewed outlets such as Aggression and Violent Behavior, Probation Journal, Law & Policy, and The Prison Journal.
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Philip KavanaughDegreePh.D., Sociology, University of Delaware
Philip Kavanaugh is an associate professor of criminal justice. His latest work examines how harm reduction strategies to address the U.S. opioid crisis exist within and adapt to the broader war on drugs. His primary teaching duties are in the areas of drug policy and criminological theory.
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Jonathan Lee
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DegreePh.D., Criminology, Sam Houston State University
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DegreeM.A., Criminal Justice, Penn State
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DegreeB.A., Economics, Hankuk University of Foreign Studies
Dr. Jonathan Lee is an associate professor of criminal justice at Penn State Harrisburg's School of Public Affairs. He specializes in quantitative research on sociology and psychology of deviance, police-public relations, and police decision-making. He is associate editor of International Journal of Offender Therapy and Comparative Criminology, a consultant to Dauphin County DA's Office and police agencies, and principal investigator of criminal justice projects funded by U.S. Department of Justice.
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Siyu Liu
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DegreePh.D., Criminal Justice, University at Albany (SUNY)
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DegreeM.A., Criminal Justice, University at Albany (SUNY)
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DegreeB.A., Biomedical English, Peking University Health Science Center
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DegreeB.S., Psychology, Peking University
Dr. Siyu Liu specializes in quantitative research on the topic of criminal desistance, police legitimacy and the Forth Amendment process, and the death penalty in China. Dr. Liu is an active member of the Association of Chinese Criminology and Criminal Justice based in the U.S. and has been presenting her research projects in more than eight prestigious universities in China.
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Jennifer L. Schally
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DegreePh.D., Sociology, University of Tennessee
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DegreeM.A., Community Psychology and Social Change, Penn State
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DegreeB.S., Sociology, Penn State
Dr. Jennifer L. Schally joined the faculty at Penn State Harrisburg in 2014 after earning her Ph.D. in sociology at the University of Tennessee. Her research interests are mainly in green criminology and crimes by the powerful, including harms to nonhuman animals. She regularly teaches courses in criminology and race and crime. Dr. Schally’s work has appeared in the Journal of Sociology and Social Welfare, the American Journal of Community Psychology, and the Journal of Interpersonal Violence. Her book, Legitimizing Corporate Harm: The Discourse of Agribusiness, was published by Palgrave in 2018.
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Emily R. StrohackerDegreePh.D., Sociology, University of Central Florida
Dr. Emily Strohacker joined the School of Public Affairs at Penn State Harrisburg in August 2017 as an assistant professor of criminal justice. Her areas of research interest include criminology, deviance, and victimology, specifically in the areas of cyber victimization and sexual victimization. She regularly teaches courses in victimology, research methods, and criminology. Her published works have appeared in Crime & Delinquency, Journal of Psychoactive Drugs, and Police Quarterly.

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