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 + Timothy (Tim) Hofer, MD, MS Quality improvement and healthcare delivery John Lazarus, MD, PhD Cardiovascular health, emergency response Geoffrey Omuse, PhD, MBChB, MMed Diagnostics, cost effectiveness Angela Quain, MD, MS Rheumatic heart disease across the lifespan David (Dave) Ripin, PhD Prevention and treatment of infectious diseases