Oleh Haluszka, MD, joined the faculty at the UA College of Medicine Tucson in August 2016 as a professor of medicine and chief of gastroenterology at the Southern Arizona VA Health Care System. In January 2019, he became associate chief of the Division of Gastroenterology and Hepatology in the UA Department of Medicine. Before coming to Tucson, Dr. Haluszka was a professor of medicine and gastroenterology chief at Temple University Health System 2011-16) and gastrointestinal endocscopy director at the Temple's Fox Chase Cancer Center 2002-11) in Philadelphia. Prior to that, he was an assistant professor of medicine at the University of Maryland in Baltimore 1995-2002) as well as a consultant to the White House Medical Unit in Washington, DC. He served in the U.S. Naval Hospital in San Diego, Calif. from 1983-95, finishing as a naval commander and endoscopy director in the Division of Gastroenterology and continuing afterward as a captain in the U.S. Naval Reserve until 2005.