Dr. Tom O’Toole is the Senior Medical Advisor for the Office of the Assistant Deputy Undersecretary for Health for Clinical Operations at the Veterans Health Administration. He is the former director of the National Center on Homelessness among Veterans as well as national director of the Homeless Veterans Patient Aligned Care Team (H-PACT) Program for the Veterans Health Administration. He is a general internist based at the Providence VA Medical Center in Rhode Island where he is also a professor of medicine at Brown University.