- Director, Center for Biomedical Informatics, Charles R. Drew University of Medicine and Science, 2007 – present
- Interim Vice President for Research, Charles R. Drew University of Medicine and Science, 2023 – present
- Chair, Department of Preventive and Social Medicine, Charles R. Drew University of Medicine and Science, 2022 – 2023
- 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