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 Timothy (Tim) Hofer, MD, MS Quality improvement and healthcare delivery Joseph (Joe) Kolars, MD, MACP Health professions education, health systems strengthening and capacity sharing among healthcare workers