Edward Alfrey, M.D. is Professor and Chairman of the Division of Surgery at Southern Illinois University School of Medicine.   His practice includes general surgery and he has a special interest in hepatobiliary surgery, particularly regarding tumors of the liver and complex biliary reconstruction.  He also specializes in kidney/pancreas transplantation. ealfrey@siumed.edu

Ruth Mayforth, M.D.,PhD is a pediatric general surgeon who has interests in pediatric oncology, neonatal immunology and neonatal pediatric surgery. She is board-certified and serves as assistant professor in the Division of General Surgery, Department of Surgery at the Southern Illinois University School of Medicine. rmayforth@siumed.edu

Elizabeth Peralta, M.D., is an assistant professor in the Division of General Surgery, Department of Surgery at the Southern Illinois University School of Medicine. Peralta is board certified in general surgery. She is an associate member of the American College of Surgeons and a member of the Society of Surgical Oncology. eperalta@siumed.edu

Jan Rakinic, M.D., is a colorectal surgeon in the Division of General Surgery at the Southern Illinois University School of Medicine. She serves as an associate professor in the Department of Surgery and has research interests in colorectal cancer, sigmoid diverticular disease. jrakinic@siumed.edu

David Rogers, M.D., is a professor in the Division of General Surgery, Department of Surgery at the Southern Illinois University School of Medicine. Rogers is a member of the American Pediatric Surgical Association, a Fellow of the American College of Surgeons and the American Academy of Pediatrics. drogers@siumed.edu

Christopher Wohltmann, M.D., is assistant professor of surgery for the Division of General Surgery at Southern Illinois University School of Medicine. He is board certified in general surgery and surgical critical care. cwohltmann@siumed.edu

Imran Hassan, M.D., is an Assistant Professor in the Division of General Surgery at Southern Illinois University School of Medicine. He is board certified in General Surgery. ihassan@siumed.edu

John P. Sutyak, M.D., is Associate Director for the Southern Illinois Trauma Center. Sutyak has interests in trauma/critical care, minimally invasive surgical techniques and medical education. He has published numerous journal articles, educational materials and books chapters. jsutyak@siumed.edu

Marsha Ryan, M.D., J.D., F.A.C.S Marsha Ryan has joined the faculty as an assistant professor of clinical surgery for SIU School of Medicine, practicing general surgery with special interest in breast cancer. Prior to joining SIU, Dr. Ryan was in private practice in Carbondale. She is board certified in general surgery. mryan@siumed.edu

Richard A. Woo, Ph.D, assistant professor of Molecular Oncology. He will conduct research for both the Department of Surgery and the Cancer Institute. His research is focused on the molecular processes that underlie tumor development, tumor progression and tumor maintenance. rwoo@siumed.edu

Leona Burnham, RN, MSN, APN/CNS,is a clinical instructor in the Division of General Surgery at the Southern Illinois University School of Medicine. As Clinical Nurse Specialist for Pediatric Surgery, she provides case coordination and management for the patients and families seeking care from the pediatrics team.lburnham@siumed.edu