Kim Olthoff, MD, FACS

Dr. DeMatteo is the Chairman of the Department of Surgery and a Surgical Oncologist who specializes in treating diseases of the liver, bile duct, gallbladder, pancreas and abdominal sarcomas (GIST). His clinical research has focused on liver, bile duct, gallbladder, and pancreas cancers. In addition, he has led several national trials testing the benefit of imatinib mesylate (Gleevec) following surgery for gastrointestinal stromal tumor (GIST), a tumor that usually begins in the stomach or intestine. In the laboratory he and his colleagues study the immune environment of the liver and tumor immunology, working to develop immune therapies to help prevent tumors from returning after surgery.

Recognized by America's Top Doctors 2015 2017Recognized by Best Doctors in America 2015 - 2018Recognized in Philadelphia magazine's annual Top Docs issues, 2018 - 2021

D. Gregory Farwell, MD, FACS, is Chair of Penn Otorhinolaryngology – Head and Neck Surgery. Dr. Farwell specializes in head and neck cancer surgery, thyroid/parathyroid surgery, advanced facial skin cancer surgery, and microvascular reconstruction. As Chair of Penn Ear, Nose, and Throat, Dr. Farwell is committed to providing patients with compassionate, contemporary, evidence-based care, and significantly advancing the field of otorhinolaryngology to create the next gold standard in head and neck surgery. Dr. Farwell has published well over 100 peer-reviewed papers and is a leader in the field of head and neck cancer surgery. He has been invited to give over 300 presentations across the world on the best ways to treat and rehabilitate patients with cancer of the head and neck. Dr. Farwell sees patients at the Perelman Center for Advanced Medicine.