Dr. Ebrahimzadeh received his MD from Mashhad University of Medical Sciences (MUMS) in 1996, where he is currently a full professor of Orthopedics. From 1996-2000, he was a resident of Orthopedic Surgery in Mashhad University of Medical Sciences. From 2005-2007, he was a fellow of Shoulder and Knee Surgery and Sport Medicine at Massachusetts General Hospital, Boston. He also received his clinical fellowship of Shoulder Surgery from Clinique e General, Annecy, France in 2007-8. Currently, he is the Chief of Department of Orthopedic Surgery, director of Orthopedic Research Center of Mashhad University of Medical Sciences, Mashhad, Iran. Dr. Ebrahimzadeh is Founder Editor-in-chief, Archives of Bone and Joint Surgery (ABJS). ABJS is a global journal which was founded by him in 2013, and currently is published monthly and is being indexed in PubMed, PMC, Scopus, and other databases. Dr. Ebrahimzadeh had a contribution in professional orthopedic community including; Vice President of Iranian Society of Knee surgery, Arthroscopy and Sport Traumatology (ISKAST), Member, Board of Iranian Orthopedic Association (IOA) and some regional societies. He has supervised more than 140 proposals, published. 165 journal articles, co-authored 3 published books, and registered 15 national and 4 US patents. He has more than 21 years of experience in Orthopedics Surgery including 18 years of experience in Shoulder and Knee Surgery. His research interests are in the areas of sport medicine, shoulder surgery, knee surgery, biomaterials, bionic hands, biomechanics, rehabilitation robotics, and orthopedic implants.