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Our Team


The surgeons in our Division treat the most HPB-GI patients – and perform the highest volume of HPB-GI surgeries – in the region. In addition to our renowned surgeons, patients benefit from the expertise of a multidisciplinary team of specialists including surgical, medical and radiation oncologists, radiologists, pathologists, nurse practitioners, nurses, pharmacists, nutritionists, social workers and patient advocates.

Meet Our Surgeons

Eva Galka, M.D.

  • Associate Professor of Surgery and Oncology

Dr. Galka received her medical degree from Dartmouth Medical School in Hanover, New Hampshire. She then completed her internship and residency in general surgery, as well as a two-year fellowship in surgical research, at Pennsylvania State University/ Hershey Medical Center in Pennsylvania. Dr. Galka later completed a fellowship in surgical oncology at University of Chicago Hospitals. Her clinical interests include the management of hepato-pancreato-biliary cancers, gastrointestinal malignancies, melanoma and sarcoma. Dr. Galka’s research interests include understanding the mechanisms of apoptosis (programmed cell death) and its relation to novel treatments for cancer.

Randeep Kashyap, M.D.

  • Associate Professor of Surgery, Abdominal Transplant Surgery

Dr. Kashyap earned his bachelor in medicine and bachelor of surgery (M.B.B.S.) degrees from Punjab University, Chandigarh, India by graduating with honors. He also pursued his master’s degree in surgery from the same university. After completing the residency program in surgery, he joined the University of Pittsburgh Medical Center’s transplantation surgery fellowship program and was later appointed a visiting instructor. Dr. Kashyap began at the University of Rochester Medical Center in 2003 as a post-doctoral research fellow and subsequently, as a clinical fellow in the Solid Organ Transplant and Hepatobiliary Surgery Division. A number of his journal publications have become landmark papers in the field of transplantation and basic research, supported by grants from the National Institutes of Health.

David C. Linehan, M.D.

  • Seymour I. Schwartz Professor and Chairman of Surgery

Dr. Linehan graduated from the University of Massachusetts Medical School, then completed his internship and residency at Deaconess-Harvard Surgical Service. He served as chief resident in surgery at Beth Israel Deaconess Medical Center. Dr. Linehan completed a research fellowship at Brigham and Women’s Hospital and was then the Kristin Ann Carr Fellow in Surgical Oncology at Memorial Sloan-Kettering Cancer Center. He is widely recognized for bringing novel and innovative therapies to patients with hard-to-treat cancers of the liver, pancreas and gastric and biliary tract, while incorporating a compassionate, patient-centered approach.

Mark S. Orloff, M.D.

  • Chief of Abdominal Transplant Surgery and Professor of Surgery, Hepato-Pancreato-Bilary and Gastrointestinal.

Dr. Orloff received his M.D. from the University of California School of Medicine and finished his residency at UCLA Department of Surgery. He later completed fellowship training in hepatobiliary surgery from the Royal Postgraduate Medical School, University of London and in liver transplantation at the University of California. Dr. Orloff joined the Department of Surgery in 1991 and has been Chief of the Division of Solid Organ Transplant and Hepatobiliary Surgery since 2009. His areas of special interest include liver and hepatobiliary surgery.

Luke Schoeniger, M.D., Ph.D.

  • Chief of Hepato-Pancreato-Biliary and Gastrointestinal (HPB-GI)  and Professor of Surgery and Oncology

Dr. Schoeniger received his M.D. and a Ph.D. in Molecular Biology from the
New York University School of Medicine. He then completed his residency and fellowship in surgical oncology at the Johns Hopkins Hospital. Dr. Schoeniger specializes in hepatobiliary, pancreatic and gastrointestinal surgery. His areas of special interest include benign and malignant diseases of the liver and pancreas, as well as laparoscopic and robotic surgery. He regularly performs laparoscopic and robotic surgeries of the stomach, small intestine, colon, liver, gallbladder and pancreas, in addition to laparoscopic hernia repair.