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 + Matthew (Matt) Boulton, MD, MPH Health disparities in vaccine preventable diseases Gary Freed, MD, MPH Healthcare delivery and quality improvement Robert (Bob) Gilman, MD, DMD Quality improvement and specialized surgical care David Guenther, JD Social enterprises, maternal health, rural communities Marie O'Neill, PhD Health effects of air pollution, temperature extremes, and climate change; environmental exposure assessment; and socio-economic influences on health Shane Quinonez, MD Clinical genetics and pediatrics