Prof. Zagra has been the Head of the Hip Unit at the Galeazzi Orthopedic Institute (Milan) since 2011 and is an Adjunct Professor for the University of Milan Medical School.
He is President of the Società Italiana dell’Anca (Italian Hip Society) and Past President of the European Hip Society. Vice Chairman of the Educational Committee of EFORT responsible for Orthopedics, Member of the Ethic Committee, and Co-opted Member of the Executive Committee of EFORT (European Federation National Associations of Orthopaedics and Traumatology). Member of the International Hip Society (IHS) and Honorary Member of AE (Arbeitsgemeinschaft Endoprothetik, the German Arthroplasty Society). Member of the Scientific Committee of EHS. Director of ROLP (Regional Artrhoplasty Registry of Lombardia), Member of the Steering Committee of the Italian Arthroplasty Registry (RIAP), Italian National Representative in the European Arthroplasty Register (EAR) Executive Committee and member of the Implants and Biomechanics Commission of SIOT. He was Member as External Expert of the Working Group of the Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR) on the metal on-metal hip implants of the European Commission. Member of the Editorial Board of “Hip International”, “Orthopaedics Today Europe” and Section Editor (Hip) of “European Orthopaedics and Traumatology”. Reviewer of Clinical Orthopaedics and Related Research, Bone and Joint Journal, Arthroplasty Today, Giornale Italiano di Ortopedia e Traumatologia. Author of more than 100 original articles and book chapters, speaker of more than 300 oral presentations and lectures in national and international conferences predominantly in the field of hip.