Executive Leadership in Academic Medicine (ELAM), Drexel University, 2006-2007
Clinical Ethics Faculty Fellow, Center for Ethics in Public Policy and Professions, Atlanta GA, 1998-2000
Health Services Research Institute, Association of American Medical Colleges, Washington D.C. Fellow, 1996-1998
Yale University School of Medicine, Yale-New Haven Hospital, New Haven CT Chief Medical Resident, 1994-1995
Yale University School of Medicine, Yale-New Haven Hospital, New Haven CT Internship/Residency, Internal Medicine, 1991-1994
Associate Director for Engagement Science, North Carolina Translational and Clinical Sciences Institute, University of North Carolina at Chapel Hill, 2020-
Associate Provost, Initiative for Rural Engagement Partnerships, University of North Carolina at Chapel Hill, 2019-
Immediate-Past President, Society of General Internal Medicine, 2019-2020 President, Society of General Internal Medicine, 2018-2019
President Elect, Society of General Internal Medicine, 2017-2018
Director, UNC Center for Health Equity Research, University of North Carolina School of Medicine, Department of Social Medicine, Chapel Hill NC, 2013-
Kenan Distinguished Professor, Departments of Social Medicine and Medicine, University of North Carolina at Chapel Hill, School of Medicine, 2013-
Professor with tenure, Department of Social Medicine, University of North Carolina at Chapel Hill, School of Medicine, 2011-2013
Professor with tenure, Department of Medicine, Division of General Medicine and Clinical Epidemiology, University of North Carolina at Chapel Hill, School of Medicine, 2011-2013
Associate Professor of Epidemiology, University of North Carolina at Chapel Hill, School of Public Health, 2007-2010
Associate Professor with tenure, Department of Social Medicine, University of North Carolina at Chapel Hill, School of Medicine, 2004-2010
Associate Professor with tenure, Department of Medicine, Division of General Medicine and Clinical Epidemiology, University of North Carolina at Chapel Hill, School of Medicine, 2004- 2010
Adjunct Associate Professor of Epidemiology and Biostatistics, University of North Carolina at Chapel Hill, School of Public Health, 2004-2007
Senior Research Fellow, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, 2004-
Assistant Professor, Department of Social Medicine, University of North Carolina at Chapel Hill, School of Medicine, 2000-2004
Co-Director, Program on Health Disparities, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, 2003-2019
Research Fellow, Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, 2001-2003
Faculty, Robert Wood Johnson Clinical Scholars Program, University of North Carolina at Chapel Hill, 2002-
Assistant Professor, Department of Medicine, Division of General Medicine and Clinical Epidemiology, University of North Carolina at Chapel Hill, School of Medicine, 2000-2004
Adjunct Assistant Professor of Epidemiology and Biostatistics, University of North Carolina at Chapel Hill, School of Public Health, 2000-2004
Faculty Research Associate, Institute for Minority Health Research, Rollins School of Public Health, 1998-2000
Assistant Professor of Medicine, Division of General Medicine, Emory University School of Medicine, 1995-2000
Instructor in Internal Medicine, Department of Internal Medicine, Yale University School of Medicine, 1994-1995
Attending Physician, Carrboro Community Health Center, Piedmont Health Services, Chapel Hill, NC 2009-
Attending Physician, Moncure Community Health Center, Piedmont Health Services, Chapel Hill, NC 2001-2005
Attending Physician, UNC Hospital, Chapel Hill NC, 2000-
Attending Physician, Grady Memorial Hospital, Atlanta GA, 1995-2000
Attending Physician, Yale New Haven Hospital, New Haven CT, 1994-1995
Attending Physician, West Haven VA Medical Center, New Haven CT, 1994-1995
Consulting Physician, South Central Rehabilitation Center, New Haven CT, 1994-1995
Student Instructor, Introduction to Clinical Medicine, Albert Einstein College of Medicine, 1990
Instructor, AIDS Education, STATS (Students Teaching AIDS to Students) and WIC (Women Infants and Children) programs, 1989
Summer Coordinator, Sophie Davis Program, 1988
Computer Consultant, The New York City Board of Education, Summer 1985, 1986-1988
Research Assistant, The Brooklyn Hospital, Department of Genetics, 1986