William D. Murrell, Jr. M.D., M.S., sub-specialized in orthopaedic sports medicine. Dubai, UAE. Currently Chief Science Officer for Emirates Hospitals Group, Dubai, UAE. Consultant Orthopaedic Sports Medicine, and CEO of Sapphire Day Surgical Center. An Internationally recognized clinician, educator, and researcher, who lectures frequently on the topic of MSK regenerative medicine. Is the Principal Investigator-Clinical Trial investigating adjuvant stem cells in treatment of articular cartilage defect(s), the use of gold-induced cytokines for treatment of shoulder tendinopathy. Chairman of 9th, 10th,11th, and 12th Middle East Orthopaedic Conferences. Co-Founder Biologic Orthopedic Journal, Editorial Board-and Principal Reviewer American Journal of Sports Medicine, International Advisory Board for Bone and Joint Journal (BJJ), Review Board Journal Arthroscopy and Related Research, Member of International Editorial Board- Journal Clinical Orthopaedics and Trauma.