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 + Gretchen Piatt, PhD, MPH Chronic disease self-management, support, and care delivery Rajiv Saran, MD, MS, MRCP, MBBS Big data and prediction analytics, social and environmental determinants of health in determining health and disease