Director, Crohn's and Colitis Center, Brigham and Women's Hospital, Boston. Assistant Professor, Harvard Medical School. Dr. Korzenik is a leading expert in Inflammatory Bowel Disease and frequent speaker at national and international conferences on causes and therapeutic options for IBD. Dr. Korzenik’s research focuses on 1) translational research in IBD and 2) investigating environmental influences in IBD, with a focus on their common nexus of the intestinal microbiome.