Dr. Jessica Allegretti currently serves as the Medical Director of the Crohn’s and Colitis Center at the Brigham and Women’s Hospital. In addition, she developed and leads the hospital’s Fecal Microbiota Transplantation Program and has grown to become an international expert on the topic. Dr. Allegretti cares for patients with inflammatory bowel disease as well as Clostridioides difficile (C. diff) infection. Her research focuses on the intestinal microbiome and the consequences of its derangement, with the goal of understanding the role dysbiosis plays in microbial-associated diseases. In addition, her lab focuses on novel therapeutic agents for IBD and she is leading multiple sponsored and investigator-initiated drug trials.