Dr. Joshua R. Korzenik, one of the leading IBD researchers and key opinion leaders in the country, is director of the Brigham & Women’s Hospital Crohn’s and Colitis Center and assistant professor at Harvard Medical School. Dr. Korzenik has been involved in IBD research and care of patients for almost 25 years, with his research focusing on 1) translational research in IBD and 2) investigating environmental influences in IBD, with a focus on their common nexus of the intestinal microbiome. Dr. Korzenik is the author of almost 60 peer-reviewed articles and research papers. He speaks frequently at professional meetings and is an active member of many professional committees. Dr. Korzenik has been the principal investigator of over a dozen research projects, ranging from studies of diet and probiotics to international comparisons of IBD. Dr. Korzenik earned his bachelor’s degree from Harvard College in 1980 and his medical degree from Albert Einstein College of Medicine in the Bronx, New York, in 1987. He was a resident at Harvard-affiliated Beth Israel Deaconess Hospital in Boston from 1987 to 1990 and a fellow in gastroenterology and clinical epidemiology at Yale University School of Medicine Hospital from 1991 to 1994. He is a longstanding member of the medical advisory committee for the New England chapter of Crohn’s and Colitis Foundation of America.