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 + Timothy (Tim) Hofer, MD, MS Quality improvement and healthcare delivery Kelley Kidwell, PhD Clinical trial designs & analysis Kenneth (Ken) Langa, MD, PhD Cognitive decline and dementia among older adults Paul Lee, MD, JD Quality of care, health care utilization and policy