Dr. Zaller is a Professor at the University of Arkansas for Medical Sciences Fay W. Boozman College of Public Health and founder and Director of the Southern Public Health and Criminal Justice Research Center (S-PAC). His research focus is on the overlap between behavioral health disorders, including addiction and mental illness, infectious diseases and incarceration both in the United States and internationally. Dr. Zaller earned his bachelor’s degree in microbiology and East Asian Studies from Kansas University in 1999. After graduation, he lived in China for a year as a Fulbright Scholar before completing a doctorate in public health at the Johns Hopkins Bloomberg School of Public Health in 2004.  Dr. Zaller went on to complete an NIH post-doctoral fellowship in HIV and Other Infectious Consequences of Substance Use at The Miriam Hospital and the Alpert Medical School of Brown University, where he served as a faculty member for 10 years prior to moving to Arkansas.