Harvard Medical School
Instructor in Medicine
Ellen Johnson Sirleaf Presidential Foundation
Board Member
Skoll Foundation
Board Member
Last Mile Health
President Emeritus and Member of the Board of Directors
Echoing Green
Board Member
The White House
Special Assistant to the President
Brigham and Women's Hospital
Associate Physician, Division of Global Health Equity (on leave)
University of North Carolina at Chapel Hill
Johns Hopkins Bloomberg School of Public Health
Harvard Medical School
