Dr Nicholas DiNubile is an orthopaedic surgeon specialising in sports medicine in private practice in Havertown, Pennsylvania. He is also Clinical Assistant Professor of the Department of Orthopaedic Surgery at the Hospital of the University of Pennsylvania. Dr DiNubile served as special advisor and medical consultant to The President's Council on Physical Fitness and Sports during the 1st Bush Administration. Additionally, Dr. DiNubile serves as Orthopaedic Consultant to the Philadelphia 76ers basketball team and the Pennsylvania Ballet. He is on the Board of Directors of ACE, The American Council on Exercise.