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 + John Ayanian, MD, MPP Access to care, quality of care, and health outcomes Kevin Martinez-Folgar, MD, PhD Chronic disease epidemiology, urban spaces, healthcare access, and health policy Gretchen Piatt, PhD, MPH Chronic disease self-management, support, and care delivery Elizabeth (Liz) Roberts, PhD Scientific and public health knowledge production and its effects Amy Schulz, PhD, MPH, MSW Health disparities and social determinants of health in urban communities