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 + Sarah Hortsch, PhD, MSW, RN Evolutionary medicine and chronic disease Robin Petroze, MD, MPH Surgical education, surgical care access, neonatal surgery, pediatric surgery, trauma and injury recovery, pediatric cancer Oluwakemi (Kemi) Rotimi, PhD, MS Environmental toxicology and health Sylvia Akpene Takyi, PhD Air Pollution, Environmental epidemiology, hygiene, nutrition, metabolic diseases, climate change