• Director, Center for Biomedical Informatics, Charles R. Drew University of Medicine and Science, 2007 – present
• Chair, Department of Preventive and Social Medicine, Charles R. Drew University of Medicine and Science, 2022 – present
• Professor, Department of Preventive and Social Medicine, Charles R. Drew University of Medicine and Science, 2020 – present
• Adjunct Professor of Radiological Sciences, Medical and Imaging Informatics Group, UCLA, 2020 – present
• Associate Professor, Department of Preventive and Social Medicine, Charles R. Drew University of Medicine and Science, 2016 – 2020
• Associate Adjunct Professor of Radiological Sciences, Medical and Imaging Informatics Group, UCLA, 2013 – 2020
• Associate Professor, Life Sciences Institute, College of Medicine, Charles R. Drew University of Medicine and Science, 2007 – 2016
• Member of the affiliated faculty, Harvard-MIT Division of Health Sciences and Technology (HST), 2003 – 2007
• Assistant Professor of Radiology, Harvard Medical School, 2003 – 2007
• Instructor in Radiology, Harvard Medical School, 1999 – 2003
• Research Associate, Decision Systems Group, Brigham and Women’s Hospital, 1999 – 2007