Board Certified General Orthopedic Surgeon. Fellowship Trained Hand Surgeon and Former Director of Hand Surgery at Columbia U. Active practice 25+ years. Treats conditions and injuries of the hand, neck, back, shoulder, hip, knee, elbow, wrist, ankle and foot, thoracic outlet syndrome and complex regional pain syndrome (CRPS). 25 years+ as an Expert Witness for orthopedic and hand issues. Performed thousands of IMEs, Case Reviews and Impairment Ratings. Licenses in AZ, NV, UT, ID, WA, OR, AK. Extensive trial and arbitration experience, defense/plaintiff. National lecturer: orthopedic and medical-legal issues; causation in complex orthopedic injuries; impairment ratings; carpal tunnel syndrome and CRPS. Harvard and Columbia trained. Former Attending Surgeon at Columbia U and Harvard U.