Dr. Thomas is the Chief Executive Officer and Managing member of HOHA.  He is a graduate of Harvard College, Harvard Medical School and Harvard's Kennedy School of Government.  He is a Board Certified Internist and addiction specialist who has also completed post-graduate training in Preventive Medicine and Public Health.  His areas of special interest are primary care services, addiction medicine and health policy.

Dr. Thomas has served as a consultant Medical Director for several New York City agencies that provide care services to the homeless, to individuals receiving addiction recovery services and to those receiving HIV related services.

In addition to his many clinical and administrative responsibilities, Dr. Thomas is also an educator.  He has served as an instructor of medicine at the Downstate Medical Center and an assistant professor of medicine at the Albert Einstein College of Medicine.  He also has to his credit many publications in professional and academic journals.

Dr. Thomas has been a member of numerous professional committees and task forces, including a Governor's appointment to the New York State Task Force of Life and the Law.  He has also served on the board of directors for several community based organizations.