"Rectal Cancer: Examination of the Past, Present and Future"

Jonathan E Efron  is the recipient of the Mark M. Ravitch, M.D. Endowed Professorship in Surgery and leads the Department of Surgery's Colorectal Service. Dr. Efron received his BA from Franklin and Marshall College in 1989 where he graduated Phi Beta Kappa and cum laude in biology with a minor in classics. In 1993, he received his medical degree from the University of Maryland School of Medicine in Baltimore, Maryland. He was a resident in general surgery at Long Island Jewish Medical Center and then completed a clinical fellowship in colon and rectal surgery at the Cleveland Clinic, Florida. Dr. Efron is board certified in both general surgery and colon and rectal surgery.
 

Before joining Johns Hopkins, Dr. Efron served as an associate professor of surgery at the College of Medicine in the Division of Colorectal and General Surgery at the Mayo Clinic, Arizona. His research and clinical practice interests have been inflammatory bowel disease, colon and rectal cancer, laparoscopic colorectal surgery, and fecal incontinence.

Dr. Efron has 71 published articles in peer-reviewed journals, 11 book chapters, and 104 abstracts. He has presented his work locally, regionally, nationally and internationally.

Dr. Efron is a member of the American College of Surgeons, the American Society of Colon and Rectal Surgeons, the Society of American Gastrointestinal Endoscope Surgeons, the Society of LaparoEndoscopic Surgeons, the Society of Surgeons of the Alimentary Tract and the Southwest Surgical Society. He also serves on the World Journal of Surgery editorial board and is a member of the Southwest Chapter of the CCFA Medical Advisory Committee.

Dinner Speaker

Dr. John Semple

Professor of Surgery, University of Toronto

"Surgeons with Altitude: Lessons in life from Mt. Everest"

Upon graduating from high school Dr Semple studied at the Ontario College of Art. He then completed a BSc in Medical Illustrating (Art as Applied To Medicine), in the Faculty of Medicine at the University of Toronto.  Dr. Semple received his MD degree at McMaster University and completed his surgical training in Plastic Surgery at the University of Toronto.  During his surgical training he also completed a Masters of Science in Experimental Pathology and did a fellowship in Microsurgery.  

Currently, Dr. Semple is Surgeon in Chief at Women's College Hospital and Head of the Division of Plastic Surgery.  He holds the Chair in Surgical Research from the Canadian Breast Cancer Foundation - Ontario Chapter and is a Professor in the Department of Surgery at the University of Toronto.  He is Past President of the Canadian Society of Plastic Surgeons. He is a Professor in the Department of Surgery at the University of Toronto. Previous appointments include Head of the Division of Plastic Surgery and Clinical Director of the Advanced Regenerative Tissue Engineering Centre (ARTEC) at Sunnybrook Health Sciences Centre and the University of Toronto.  

Dr. Semple has a special interest in mountains and mountain climbing. He has climbed on 4 continents and has published over ten papers on such topics as changing weather patterns, the long distance transport of ozone pollution in the Himalaya and global warming on Mount Everest.