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 + David Guenther, JD Social enterprises, maternal health, rural communities Rebecca Hardin, PhD Human and wildlife interactions, environmental justice David (Dave) Ripin, PhD Prevention and treatment of infectious diseases Thomas Robins, MD, MPH Environmental and climate change, disease propagation, occupational health Sylvia Akpene Takyi, PhD Air Pollution, Environmental epidemiology, hygiene, nutrition, metabolic diseases, climate change Hang Yu, PhD, MA Development economics, health impact analysis