Nicolas Bonin, MD, MS, DESC, is an orthopaedic surgeon specializing in hip surgery and sports traumatology. He is a founding member of Lyon Ortho Clinic in Lyon, France, where he heads the Hip and Sports Medicine Unit. He gained his MD, Master's degree in Biological and Medical Science, and DESC (Diplôme d'Études Spécialisées Complémentaires) from the Faculty of Medicine and Pharmacy in Besançon, in 2001, 2002, and 2004, respectively. He holds a Diploma in Arthroscopy from the Faculty of Medicine, Paris Ouest and is now a training member of this diploma on behalf of the French Arthroscopy Society. Dr. Bonin is a member of the ISHA Board of Directors and participates in numerous hip committee for scientific societies (ESSKA, ISAKOS, SFA). He is the author of more than 30 original articles, many of which relate to the hip, as well as numerous book chapters.

Filippo Randelli, MD, Prof. a.c., is Chief of Orthopaedics and Traumatology in the Hip and Trauma Department at I.R.C.C.S. Policlinico San Donato, University of Milan, Italy. He graduated in Medicine from the University of Milan in 1996 and completed an AO Trauma Fellowship in Trauma at the Hospital for Special Surgery, New York in 1999. He passed the Italian Orthopaedic and Trauma Board examination (70/70 cum Laude) in 2001. Since 2010 he has been a Contract Professor on the Milan Orthopaedic and Traumatology Residency Program. Dr. Randelli is a Consultant Editor for the Journal of Orthopaedics and Traumatology and Chair of the ESSKA Hip Arthroscopy Committee. He is the author of numerous original articles. 

Vikas Khanduja, MA (Cantab), MB BS, MRCS (Glasg), MSc Orthopaedic Engineering, FRCS, FRCS (Tr & Orth) is a Consultant Orthopaedic Surgeon in the Department of Trauma & Orthopaedics, Addenbrooke's Hospital, Cambridge, UK. He is an Associate Lecturer in the Faculty of Clinical Medicine, University of Cambridge & the Lead for Elective Clinical Trials. He has been instrumental in setting up the tertiary referral service for Young Adult Hip Surgery in Cambridge and has authored over 100 peer reviewed articles and 2 books. He has won numerous awards and sits on the Board of Directors for SICOT as Chair of the Education Academy, the British Hip Society as the Chairman for the Non Arthroplasty Hip Register (NAHR) and is the Associate Editor to the Bone and Joint Journal.