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 + John Ayanian, MD, MPP Access to care, quality of care, and health outcomes Lynae Darbes, PhD, MA Behavioral interventions to improve HIV/AIDS health outcomes Ifeolu David, MD, PhD, MPH Global health preparedness, infectious diseases, health disparities Gretchen Piatt, PhD, MPH Chronic disease self-management, support, and care delivery Elizabeth (Liz) Roberts, PhD Scientific and public health knowledge production and its effects Denise Tate, PhD Psychological adaptation after injury; outcomes measurement Hang Yu, PhD, MA Development economics, health impact analysis