Operative Surgery of the Colon, Rectum and Anus

P. Ronan O'Connell is Professor of Surgery and Consultant Surgeon at St Vincent's University Hospital since September 2007. He was previously Senior Lecturer in Surgery at the Royal London Hospital (1989-1990), consultant surgeon at the Mater Misericordiae University Hospital (1990-2007) and Newman Clinical Research Professor at UCD (2002- 2007). In 2009 he was appointed head of the Section of Surgery and Surgical Sciences at University College Dublin. Between 2011 and 2013 he was Chairman of the South East Dublin Department of Surgery. Prof O'Connell has published widely in the areas of inflammatory bowel disease, pelvic floor physiology and continence. His research has been recognised by numerous awards including the Patey Prize of the Surgical Research Society (1985), the British Journal of Surgery Prize at the Association of Coloproctology Great Britain and Ireland (1995, 1997, 1999 and 2007), the American Society of Colon and Rectal Surgeons Research Prize (2007 and 2010) and the Physiological Society (2009). His research is currently funded by Science Foundation Ireland, the Bowel Disease Research Foundation of ACPGBI, Medtronic Comporation and the EU COST collaboration.Robert D. Madoff, M.D., F.A.C.S., is Professor of Surgery and Chief of the Division of Colon and Rectal Surgery at the University of Minnesota. Dr. Madoff is the holder of the Stanley M. Goldberg, MD Chair in Colon and Rectal Surgery at the University of Minnesota. He is the founding director of the William C. Bernstein MD Familial Cancer Registry at the Masonic Cancer Center, University of Minnesota. Dr. Madoff is Editor-in-Chief of Diseases of the Colon & Rectum and an Executive Council Member of the American Society of Colon and Rectal Surgeons.Dr. Madoff has published over 100 academic research papers in peer-reviewed medical journals and has authored or co-authored more than 50 textbook chapters. His scientific interests