Marshall has practiced orthotics and prosthetics since 1985. Prior to becoming ABC Certified, he was a licensed pharmacist and practiced pharmacy following graduation from St. John's University. He developed an interest in prosthetics and orthotics after he attended a course in orthotic evaluation and fitting. In 1987, he founded J&M Orthotics and Prosthetics with offices in Smithtown, Port Jefferson and Astoria, New York.

Marshall has extensive experience with practice management and patient care. His areas of special interest include: diabetic and podiatric disorders, pediatric and adult neurological disorders, scoliosis, sports orthoses and lower extremity prosthetics. He has been certified in various scoliosis bracing systems since 1987 including Boston, Charleston and Providence orthoses. He assisted in establishing the first diabetic wound care center on Long Island, New York. Marshall is currently Assistant Clinical Instructor at SUNY at Stony Brook and Clinical Staff Orthotist at North Shore University Hospital.

Marshall has two children and loves coaching and playing baseball and basketball. He will manage our growth and expansion on Long Island and Queens, New York. We welcome his unique entrepreneurial and professional skills to our organization.