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, and 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 the agency in February 2016 after completing his Ph.D. at Emory University. He has diverse research experience investigating public health disparities and multi-level intervention outcomes. He supervises quality and outcomes for internally and externally funded research, directs the Public Health Prevention and Policy Internship Program, and serves as grant writer and co-investigator for interdisciplinary and community-based research projects and health equity initiatives addressing HIV, HCV, and mortality in justice-involved populations.

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