Physician, teacher, and researcher. Board Certified in Brain Injury Medicine, Spinal Cord Medicine, Physical Medicine & Rehabilitation, and in Internal Medicine. Has served as an expert witness for over 25 years in complex, challenging cases with brain injury, spinal cord injury, multi-trauma, catastrophic injuries, for plaintiff and defense. Experienced in developing, writing, and reviewing Life Care Plans. 46 years clinical and research experience, having served as a Professor at the Mayo Clinic, at University of California-Irvine, at Marquette University, at Medical College of Wisconsin, and at the University of South Florida. Authored over 500 Life Care Plans, Testimony: over 100 depositions and 30 trials, state and federal. Plaintiff and defense. Adult and pediatric injuries.