Dr. O'Neil is a Professor in the Department of Psychiatry and Behavioral Sciences at the Medical University of South Carolina, where he has been on the faculty since 1977. He is a Certified Clinical Trial Investigator through the Association of Clinical Research Professionals. A licensed clinical psychologist, Dr. O’Neil has devoted his career to helping patients manage their weight and is the author of more than 100 scientific papers and presentations. For over nine years, Dr. O’Neil wrote the popular “Weighing the Choices” column which appeared every week in the Sunday Charleston Post & Courier.
Dr. O'Neil was recently awarded honorary membership by the American Dietetic Association for his work and dedication to the field of dietetics. This is the highest award granted by the ADA to non-members, and only two are awarded each year nationwide. He is also a leader of The Obesity Society (the main scientific and clinical professional association devoted to obesity) and is Past-President of the Society. Dr. O'Neil was awarded the Distinguished Faculty Service Award at the Faculty Convocation in 2013, in recognition of his years as a truly outstanding researcher, clinician, and educator.