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 Geoffrey Omuse, PhD, MBChB, MMed Diagnostics, cost effectiveness Payal Patel, MD, MPH Hospital-acquired infection control, antimicrobial stewardship, antimicrobial resistance, and hospital epidemiology Robin Petroze, MD, MPH Surgical education, surgical care access, neonatal surgery, pediatric surgery, trauma and injury recovery, pediatric cancer David (Dave) Ripin, PhD Prevention and treatment of infectious diseases