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 Mohammad Ghaziuddin, MD Diagnosis and treatment of child and adolescent psychiatric disorders David Guenther, JD Social enterprises, maternal health, rural communities Timothy (Tim) Hofer, MD, MS Quality improvement and healthcare delivery Rahul Ladhania, PhD Machine learning and causal inference in public health and behavior science Paul Lee, MD, JD Quality of care, health care utilization and policy Elisa Maffioli, PhD, MA, MS Healthcare access and delivery in developing countries Sheryl (Sherri) Olson, PhD Developmental and social processes related to child and adolescent adjustment, development of emotion regulation and social cognition Gurpreet Rana, MLIS Global health initiatives Emily Treleaven, PhD, MPH Social and structural determinants of health and mortality