Department Chairs Kolawole S. Okuyemi, MD, MPH 2019 - present Michael K. Magill, MD 2018 - 2019 A. Peter Catinella 1998 - 2018 F. Marian Bishop, PhD, MSPH 1978 - 1998 Hillman Castle, MD 1970-1978 Division Chiefs Family Medicine Jennifer P. Leiser, MD 2008 - present Occupational and Environmental Health Jeremy J. Biggs, MD, MSPH 2020 - present Physician Assistant Studies Amanda Leigh Elrod, PA-C, MPAS 2021 - present Virginia L. Valentin, DrPH, PA-C 2019 - 2021 Trenton Honda, PhD, MMS, PA-C 20XX - 2019 Public Health Steven Lacey, MS, PhD 2020 - present Stephen C. Alder, PhD 2008 - 2018