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 Andrew Grogan-Kaylor, PhD Child development, parenting, violence and corporal punishment, quantitative methods Marie O'Neill, PhD Health effects of air pollution, temperature extremes, and climate change; environmental exposure assessment; and socio-economic influences on health Sheryl (Sherri) Olson, PhD Developmental and social processes related to child and adolescent adjustment, development of emotion regulation and social cognition Anne Petersen, PhD, MS Community empowerment and positive human development