Aron is the chairman of the Nutritional Support Committee and an assistant clinical professor of medicine at the University of California Medical Center in San Francisco. He has been in the practice of gastroenterology for over 28 years, and served as the chairman of the Division of Gastroenterology and Nutrition for 19 years at Mount Zion Hospital. He is a graduate of UCLA, and earned his medical degree from the University of California at Irvine.