CGHE members span the University of Michigan and the globe, including faculty experts, research collaborators, scholars, and community partners. Search for Members with Keywords, Sponsors, Locations, or Categories + Kristi Gamarel, PhD, EdM LGBTQ+, HIV, mental health, CBPR methods Gary Harper, PhD, MPH, MS Mental health promotion and HIV prevention Rob Stephenson, PhD Sexual and reproductive health, HIV prevention, sexual and gender minority health, and intervention development testing Hang Yu, PhD, MA Development economics, health impact analysis