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 + Zul Merali, PhD Bio-psychosocial determinants of mental health David (Dave) Ripin, PhD Prevention and treatment of infectious diseases Elizabeth (Liz) Roberts, PhD Scientific and public health knowledge production and its effects Lynn Videka, PhD Peer-helping models for people facing life crises; prevention services, especially to mental health and child welfare populations Hang Yu, PhD, MA Development economics, health impact analysis