RP Jepson Professor of Surgery, University of Adelaide and Surgical Director of ASERNIP-S. Professor Maddern is a practising hepatobiliary surgeon based at The Queen Elizabeth Hospital and is Head of the Division of Surgery and Director of the Basil Hetzel Institute. Professor Maddern’s interests have been in incident monitoring and assessment of new technologies in surgical practice. He was appointed as the inaugural Surgical Director of ASERNIP-S in October 1997.