Timothy Mosher MD is a graduate of the Penn State College of Medicine, and the Kenneth L. Chair, Department of Radiology at Penn State University and Distinguished Professor of Radiology and Orthopaedic Surgery. Dr. Mosher is active in the field of diagnostic error in medicine previously serving as a member of the Board of Directors for the Society to Improve Diagnosis in Medicine (SIDM) and as a representative of Penn State Health in the Coalition to Improve Diagnosis. He is the Physician Advisor to the Pennsylvania Patient Safety Authority Center of Excellence for Improving Diagnosis. Dr. Mosher is a clinical musculoskeletal radiologist with a research interest in osteoarthritis. Dr. Mosher is a fellow of the International Society for Magnetic Resonance in Medicine. He has served on numerous NIH scientific review groups, the Scientific Advisory Board for the Canadian Arthritis Network, the Canadian Foundation for Innovation, and as an industry consultant in the areas of imaging applications to musculoskeletal projects. Dr. Mosher has published over 80 books and manuscripts with the majority in the area of musculoskeletal imaging, quantitative cartilage imaging, and MRI technical development.