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 + Kenneth (Ken) Langa, MD, PhD Cognitive decline and dementia among older adults Margaret (Maggie) Levenstein, PhD, MA Economic behavior and methodology in regards to health care supply chains Johannes Schwank, PhD Sustainable solutions to energy, food, and water security challenges in resource-constrained areas, sustainability education