Professor of Physical Education, Pedagogy, and Health Behavior in the Department of Kinesiology and Health Education at University of Texas at Austin.
Cochief of the Division of Digestive Diseases in the Department of Gastroenterology at the Ronald Reagan UCLA Medical Center.
Professor of Health Policy and Management, and Pediatrics in the Health Policy and Management Department of the UCLA Fielding School of Public Health.
Professor in Neurology and Pharmacolgy in the Neurology Department of the UCLA David Geffen School of Medicine.
Head Team Physician of the Los Angeles Lakers, Associate Head Team Physician and Director of Orthopaedic Surgery for the UCLA Athletic Department, and Professor of Orthopaedic Surgery at the UCLA David Geffen School of Medicine.
Associate Professor of Biomedical Science, in the College of Medicine at the Brain and Behavior Institute of Florida Atlantic University.
Professor and Chair in the Department of Community Health Sciences at the UCLA Fielding School of Public Health.
Clinical Professor of Psychiatry at Harvard Medical School.
Professor of Neural Science and Psychology at the Center for Neural Science at New York University.