Dr. Jon “J.P.” Warner is currently The Co-Chief of the MGH Shoulder Service and Founder of the Boston Shoulder Institute. He is Vice Chair for Quality and Safety for MGH Orthopedics and Professor of Orthopedic Surgery at Harvard Medical School. He was previously Associate Professor of Orthopedics at the University of Pittsburgh where he was also the Director of the Shoulder Biomechanics laboratory, and Associate Director of the Sports Medicine Center. He founded the Boston Shoulder Institute Fellowship Program at MGH and New England Baptist Hospital in 1998.

He completed his medical training at the University of Rochester, NY followed by a postgraduate residency at the Harvard Combined Orthopedic Surgery Program, Boston. His subsequent postgraduate training included Fellowships in Sports Medicine and Shoulder Surgery at the University of Bern, Switzerland, University of Paris, France, Linkoping University, Sweden, and the Hospital for Special Surgery in New York City. He is also a graduate of the Executive Program at Harvard Business School.

He is Past President of the American Shoulder and Elbow Surgeons (ASES) and New England Shoulder and Elbow Society (NESES) which he founded. He is also the founder of the Codman Shoulder Society.

In addition to his academic duties, he is a serial entrepreneur with several successful ventures and many ongoing concerns.