Dr. Shishir K. Maithel, MD, FACS, FSSO is Professor of Surgery and Chief of the Division of Surgical Oncology and Chief Surgical Oncology Officer of the Robert H. Lurie Comprehensive Cancer Center at Northwestern University, Feinberg School of Medicine. His clinical and research interests focus on tumors of the bile ducts, as well as other gastrointestinal malignancies such as cancer of the liver, pancreas, stomach, colon, and small intestine. He is an active member of the Cholangiocarcinoma Foundation and is leading the effort in running novel clinical trials for patients with early-stage biliary cancers.