The graduate program of the Department of Criminal Justice at Temple University is extremely proud of all of our successful doctorates. We are also pleased to see that our graduates have all gone on to successful employment in some excellent universities and policy arenas. This page documents the graduations from our PhD program, the title of the student’s dissertation, and the faculty supervisor. You can also see the employment of our students at the time of their dissertation completion. Congratulations to all of our graduates!


Patricia M. Griffin, PhD
“Resilience in Police: Opioid Use and the Double-Edged Sword.”
Chaired by Jennifer Wood.

Assistant Professor, Holy Family University

Nathan W. Link, PhD
“Paid Your Debt to Society? Legal Financial Obligations and Their Effects on Former Prisoners.”
Chaired by Caterina Roman

Assistant Professor, Rutgers University, Camden

Lauren Mayes, PhD
“Law Enforcement in the Age of Social Media: Examining the Organizational Image Construction of Police on Twitter and Facebook.”
Chaired by Kate Auerhahn

Professor, Vancouver Island University


Maya Silva, PhD
“Examination of the Personal Narratives of Desisters and Non-Offenders: Do They Really Differ?”
Chaired by Wayne Welsh.

Evaluation Coordinator, College of Public Health, Temple University


Cory Haberman, PhD
“Cops on dots doing what? The differential effects of police enforcement actions in hot spots”.
Chaired by Jerry H. Ratcliffe

Assistant Professor, University of Cincinnati

Evan Sorg, PhD
“An Ex Post Facto Evaluation of the Philadelphia GunStat Model”.
Chaired by Jerry H. Ratcliffe

Assistant Professor, Rowan University

Justin Medina, PhD
“The correlates of post-sentencing adjustment to supervision length within a local probation and parole department”.
Chaired by Ralph Taylor

Assistant Professor, Lycoming College

Jaime Henderson, PhD
“Estimating the impacts of SORNA in Pennsylvania:  The potential consequences of including juveniles”
Chaired by Kate Auerhahn

Research and Information Analyst, First Judicial District of Pennsylvania

Wendy Thompson, PhD
“Staff turnover in juvenile corrections: Predicting intentions to leave”
Chaired by Phil Harris

Liana Taylor, PhD
“General responsivity and evidence-based treatment:  Individual and program predictors of treatment outcomes during adolescent outpatient substance abuse treatment”
Chaired by Matt Hiller
Visiting Professor, Texas A&M University–Central Texas, Killeen, TX


2015 PhD graduates

(above from left to right) Drs. Sorg, Henderson, Haberman, Thompson and Medina.


Brandy L. Blasko, PhD
“The uncharted influence of prison staff decision making.”
Chaired by Ralph B. Taylor, May 2013
Assistant Professor, Sam Houston State University, Huntsville, TX

Scott A. Hoke, PhD
“Place management in a correctional setting.”
Chaired by Jerry H. Ratcliffe, May 2013
Assistant Professor, Cedar Crest College, Allentown, PA

2015 M.A. graduates







(above) Professor Jerry Ratcliffe, Scott A. Hoke, PhD, Brandy L. Blasko, PhD, and Professor R.B. Taylor


Clairissa D. Breen, PhD
“Testing criminological and sociological explanations for the formation of hate groups.”
Chaired by Matthew Hiller, January 2012
Assistant Professor, Gannon University, Erie, PA

Christopher E. Kelly, PhD
“Putting the community back into therapeutic community:  Examining the role of the treatment group in prison-based substance abuse treatment.”
Chaired by Wayne N. Welsh, January 2012
Assistant Professor, St. Joseph’s University, Philadelphia, PA

Lallen Johnson, PhD
“Classifying drug markets by travel patterns:  Testing Reuter and MacCoun’s typology of market violence.”
Chaired by Jerry H. Ratcliffe, May 2012.
Assistant Professor, Drexel University

Caitlin J. Taylor, PhD
“Family support and the successful reentry of formerly incarcerated individuals.”
Chaired by Kate Auerhahn, May 2012.
Assistant Professor, LaSalle University, Philadelphia, PA

 Jane M. Tucker, PhD
“What shapes police officer willingness to use stress intervention services?  An empirical study of current factors in Pennsylvania.”
Chaired by Jennifer Wood, May 2012.
Assistant Professor, West Chester University, West Chester, PA

PhD Grad pic 2







(above) Christopher E. Kelly, PhD, Clairissa D. Breen, PhD, Lallen Johnson, PhD, and Caitlin J. Taylor, PhD

2012 MA Graduates

PhD Grad pics 3 CJ

(above)Laura Beierschmitt, Daniel Runk, Christina Watson, and Emily Schaffer


PhD Grad pics 4 CJ

(above): Sami Abdel-Salam, PhD, Kimberly Houser, PhD, and Brian R. Wyant, PhD









(above): Professor Jerry Ratcliffe, Professor Kate Auerhahn, Travis A.Taniguchi, PhD, Eric S. McCord, PhD,  Professor George Rengert, Brian Lockwood,  PhD, Linda Shuo Zhao, PhD, Brian R. Wyant, PhD, Professor John Goldkamp, Christopher Salvatore, PhD                                                            


Sami Abdel-Salam, Ph.D.

“Self-control as a predictor of retention, recidivism, and relapse following therapeutic drug community treatment for adolescents”
Chaired by Matthew Hiller, May 2011
Research Associate, Center for Drug and Alcohol Studies, University of Delaware, Newark, DE

Kimberly Houser, Ph.D.

“Examining the association between co-occurring mental and substance use disorders and institutional misconduct among female state inmates”

Chaired by Wayne N. Welsh, May 2011

Assistant Professor, Rowan University


Brian Lockwood, Ph.D.

“Too far to travel?  An investigation of the effects of distance to community-based treatment programs for juvenile offenders”
Chaired by George F. Rengert, May 2010
Assistant Professor, Monmouth University, West Long Branch, NJ

Eric S. McCord, Ph.D.

“Isolating opportunity from demographics:  A case study of motor vehicle theft in Philadelphia”
Chaired by Jerry H. Ratcliffe, May 2010
Assistant Professor, University of Louisville, Louisville KY

Christopher Salvatore, Ph.D.

“Emerging adulthood and the arrested adolescent offender”
Chaired by Wayne N. Welsh, August 2010
Assistant Professor, Towson University, Towson, MD

Travis A. Taniguchi, Ph.D.

“Policing a negotiated world:  An empirical assessment of the ecological theory of policing”
Chaired by Jerry H. Ratcliffe, May 2010
Criminologist, Police Department, Redlands, CA
Click here for a summary of this research project.

Brian R. Wyant, Ph.D.

“Micro-level spatio-temporal relationships between firearm arrests and shootings in Philadelphia: Implications for understanding of crime, time, place, and policing”
Chaired by Ralph B. Taylor, August 2010
Assistant Professor, LaSalle University, Philadelphia, PA
Click here for a summary of this research project.


Jonathan S. Gaines, Ph.D.

“Labeling adult sex offenders and sexually violent predators: The impact of registration and community notification”
Chaired by Kate Auerhahn, May 2009
Assistant Professor, Towson University, Towson, MD

Cheryl Irons-Guynn, 

“Implications of community prosecution for prosecutors and community: A case study of the community prosecution initiative in Red Hook, Kings County, New York”
Chaired by John Goldkamp, May 2009
Director, Temple Criminal Justice at Ambler

Linda Shuo Zhao, Ph.D

“Underground Banks: The Perspectives of Chinese Illegal Immigrants in Understanding the Role of Informal Fund Transfer System in the United States”
Chaired by John Goldkamp, September 2009.
Assistant Professor, Louisiana State University, Alexandria, LA


Patrick McConnell, Ph.D
“Toward a holistic vectored geography of homicide”
Chaired by George Rengert, October 2008
Dewberry and Davis, LLC, Fairfax, VA

George Cronin, Ph.D

“Structural and situational determinants of homicide in Rural Pennsylvania”
Chaired by Jerry Ratcliffe, May 2008
Criminal investigator, Pennsylvania State Police.

Wang Ke, Ph.D

“Securities fraud 1996-2001: Incentive compensation versus corporate governance”
Chaired by John S. Goldkamp, May 2008.

Marie Garcia, Ph.D

“Individual and institutional demographic and organizational climate correlates of perceived danger among federal correctional officers”
Chaired by Ralph B. Taylor, May 2008.
Social Science Analyst, National Institute of Justice.

Rely Vîlcicã, Ph.D

“The Public Safety Dimensions and Implications of Dismissal: The Unexamined Criminal Case Disposition”
Chaired by Peter Jones, May 2008.
Visiting Assistant Professor, Temple University, Philadelphia, PA.


Brian A. Lawton, PhD

“Levels of Nonlethal Force Reported by Philadelphia Police Officers: Officer, Citizen, and Contextual Influences”
Chaired by Ralph B. Taylor, May 2006.
Assistant Professor, Sam Houston State University , Huntsville , TX .

Lillian P. Dote, PhD

“Citizen Willingness to Serve: Explaining Attitudes Toward Jury Service in Philadelphia”
Chaired by Ralph B. Taylor, May 2006.
Analyst, Corporation for National and Community Service, Washington , DC.

Patrick N. McGrain, PhD

“An Examination of Therapeutic Engagement in a Prison-Based Drug Treatment Therapeutic Community”
Chaired by Wayne N. Welsh, January 2006.
Assistant Professor, DeSales University, Center Valley , PA.


Mary E. Poulin, PhD.

“Improving Outcomes for Girls in the Juvenile Justice System: The Need for Classification”
Chaired by Phil Harris, January 2005.
Project Manager, Justice Research and Statistics Association, Washington , DC.

Matthew J. Hickman, PhD.

“Self-reported and Official Police Problem Behavior: Identifying the Role of Individual, Context, and Data”
Chaired by Ralph B. Taylor, May 2005.
Statistician, Bureau of Justice Statistics, US Department of Justice, Washington, DC.
Frank Butler, PhD.

“God’s Gonna Trouble the Waters: Social Ethics, Religious Organizations, and Crime Policy”
Chaired by Alan Harland, May 2005.
Assistant Professor, LaSalle University, Philadelphia , PA.


Robert D’Ovidio, PhD.

“ Does Crime Have a New Face?”
Chaired by George Rengert, August 2004.
Assistant Professor, Drexel University, Philadelphia, PA.

Jeffrey D. Monroe, PhD.

“Brady Gun Policy and Disaggregated Homicide Rates”
Chaired by George Rengert, August 2004.
Assistant Professor, Xavier University, Cincinnati, OH.


Jennifer B. Robinson, PhD.

“Drug Free Zones, The Police, Locations, and Trends of Drug Sales in Portland, Oregon, 1990-1998”.
Chaired by George Rengert, January 2003.
Assistant Professor, University of Ottawa, Ontario, Canada.


Robert J. Kane, PhD.

“Urban Ecology and Police Malpractice: Identifying Contexts for Career-Ending Misconduct in the New York City Police Department”
Chaired by James J. Fyfe, 2001.
Assistant Professor, American University, Washington, DC.

William V. Pelfrey, PhD.

“The Inchoate Nature of Community Policing: Examining the Differences between Community and Traditional Police Officers”
Chaired by Alex Piquero, 2001.
Assistant Professor, University of South Carolina, Columbia, SC.


Ellen M. Kurtz, PhD.

“Violent Crime and Community Structure: Lagged and Simultaneous Effects in Baltimore Neighborhoods from 1970 to 1990”
Chaired by Ralph B. Taylor. 2000.
Director of Research, Philadelphia Adult Probation and Parole, Philadelphia , PA.


Michael D. White, PhD.

“Police Shootings in Philadelphia : An Analysis of Two Decades of Deadly Force”
Chaired by James J. Fyfe, 1999.
Assistant Professor, University of North Florida, Jacksonville, FL.