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 + Andrew Chang, MD Thoracic surgery with a particular focus on thoracic oncology Gary Freed, MD, MPH Healthcare delivery and quality improvement Richard (Rich) Gonzalez, PhD Mathematical models for judgement and decision making Matthias Kretzler, MD Enhancing health for kidney disease treatment Kenneth (Ken) Langa, MD, PhD Cognitive decline and dementia among older adults Rajiv Saran, MD, MS, MRCP, MBBS Big data and prediction analytics, social and environmental determinants of health in determining health and disease