Dr. Mullin is an associate professor of medicine at The Johns Hopkins University School of Medicine. Nationally and internationally renowned for his work in nutrition, Dr. Mullin has more than 30 years of clinical experience in the field of gastroenterology. In 2009 he was named by the American Dietetic Association’s honorary member of the year. Dr. Mullin was the youngest person to receive an Honorary membership from the American Dietetic Association in 2009. He also received the Grace A. Goldsmith award presented by the American College of Nutrition in November 2011. This special award acknowledges a scientist who is under the age of 50 years, for significant achievements in the field of nutrition. Dr. Mullin is a reviewer and also serves on the editorial board of numerous gastroenterology journals.