Social Enterprises


Kimberly Gentry Sperber, Ph.D

Staff Biographies

Kimberly Gentry Sperber, Ph.D., Director (Sperber CV)
Dr. Sperber received her Ph.D. in Criminal Justice from the University of Cincinnati in 2003 and has worked in the field for more than 20 years. In her role, Dr. Sperber oversees research in the areas of addiction, mental health, corrections and implementation science. She also assists Talbert House to implement, monitor and respond to Continuous Quality Improvement metrics that assess the agency’s performance in terms of process, outcomes and treatment fidelity. Her most recent research has focused on:

  • appropriate applications of risk-based treatment dosage for criminal justice clients
  • identifying and addressing barriers to Medication Assisted Treatment and opioid overdose prevention in community-based programs
  • identifying barriers to engagement in co-parenting services for non-residential fathers and their co-parenting partners.

Aaron Vissman, Ph.D., MPH, Associate Director (Vissman CV)

Dr. Vissman joined Talbert House in 2016 after completing his Ph.D. in Behavioral Sciences and Health Education at Emory University. He has extramurally funded research experience investigating public health disparities and multi-level intervention outcomes. He directs ongoing research and serves as grant writer and investigator for interdisciplinary health research projects. Recent projects focus on health education, HIV/AIDS, viral hepatitis, naloxone distribution and mortality in justice-involved populations. He directs the Public Health—Prevention and Policy—Internship Program and serves as a member of the Executive Committee on Continuous Quality Improvement at Talbert House. He teaches classes and workshops available for open registration via the ITD website including: Implementation of PEER-OPS –standardized opioid overdose prevention programs for community correctional facilities;  HIV/HCV Policy and Advocacy; and Survey Research Methods.

Joe Calvert, Ph.D., Senior Research Associate (Calvert CV)

Dr. Calvert received his Ph.D. in Sociology from the University of Kentucky prior to joining the CHHSR in April 2019. Specializing in the area of crime and deviance, his research interests primarily lie in the etiology of criminal and deviant behavior across the life course, substance use and corrections. He is particularly interested in substance use as it relates to criminal victimization, policing practices, incarceration and the reintegration process. He strives to cultivate fruitful collaboration efforts between researchers and practitioners across diverse disciplines in order to holistically understand and address pressing social problems. Dr. Calvert is developing classes that will be available for open registration via the ITD website including: Sexual Victimization in Adolescence and Adulthood; and Mass Incarceration: An Overview of Causes and Effects. He also supervises research interns at Talbert House and teaches a variety of courses, like Quantitative Sociological Analysis, for the Department of Sociology at the University of Kentucky.

Amber Manzo, Senior Research Associate (Manzo CV)
Amber is a Ph.D. candidate in the School of Criminal Justice at the University of Cincinnati. Currently, she is managing several projects including a trauma-informed care initiative and two grant-funded projects on naloxone distribution
in Ohio substance use programs and the effectiveness of opioid overdose prevention interventions in correctional facilities in southwest Ohio. She recently received recognition by Talbert House for her mentorship of the center’s criminal justice research interns.

Bradley M. Buckmeier, M.S., Research Assistant (Buckmeier CV)
Bradley assists with data collection, data analysis and data entry for several projects at the CHHSR. He routinely conducts literature reviews which establish the theoretical framework for research conducted at the CHHSR. His most recent contributions involve aiding in the development and optimization of logistic models for the distribution of media resources throughout Talbert House. He is a Ph.D. candidate at the University of Cincinnati and recently successfully defended his dissertation proposal.


CHHSR Advisory Council

Jaimee Heffner, Ph.D., Fred Hutchinson Cancer Research Center
Kristina Moster, Ph.D., Cincinnati Children's Hospital Medical Center
Faye Taxman, Ph.D., George Mason University
Melissa Van Dyke, LCSW, University of Strathclyde
Nancy Wolff, Ph.D., Rutgers University
April Young, Ph.D., MPH, University of Kentucky College of Public Health