Stefano Zaffagnini, M.D. (gender: male, date of birth: 20/09/1962), MD Degree with Honors (1987) at University of Bologna, Specialization in Orthopaedics and Traumatology with Honors. From 2008, he is coordinator of the Sports Traumatology Excellent Centre of Istituto Ortopedico Rizzoli of Bologna Italy. From 01/04/2016 he is full Professor in Orthopaedic s and Traumatology at Faculty of Medicine. From March 2017 he is Director of the II Clinic Orthopaedic and Traumatology of the Istituto Ortopedico Rizzoli. He takes part in several research projects promoted by IOR and the Italian Health Ministry and European Community. He serves as reviewer for several international journals. From August 2009 he is a member of the “Anterior Cruciate Ligament Study Group”. He is designated as Scientific Chairman of the 10th I.S.A.K.O.S Congress and as Scientific Co- Chairman of the 11th I.S.A.K.O.S Congress. He is member of ESSKA Sport Committee 2014 – 2016. He is author of more than 263 publications on Pub Med, with a H-index of 37(source: Scopus).