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 + Alexis Handal, PhD Occupational health, environmental and social epidemiology, reproductive health, maternal and child health Zul Merali, PhD Bio-psychosocial determinants of mental health David (Dave) Ripin, PhD Prevention and treatment of infectious diseases Hang Yu, PhD, MA Development economics, health impact analysis