Dr. Piero Volpi is an Orthopedic Surgeon and Sports Medicine Specialist and Director of the Knee Surgery and Sport Traumatology Unit at Humanitas Clinical Institute IRCCS, Milan. He played professional football from the beginning of the 1970s until 1985 while maintaining his medical studies. He is now Head of Medical Staff FC Internazionale Milan, Italy, and is also Responsible Physician of the Italian Association of Football Players (AIC). Dr. Volpi is Teaching Professor at the Speciality School of Orthopedics and Traumatology at the University of Milan. He is also Vice-President of Italian Arthroscopy Society (SIA) and member of several National and International Scientific Societies: Siot, Sigascot,Fmsi, Isakos, Esska, Eka. He is the author of more than 300 publications and over 600 contributions, including book chapters, articles and presentations to scientific National and International meetings .He is Editor in Chief of the Journal of Sports Traumatology and member of Editorial Board of Medicina dello Sport Journal.