Nathan D. Zasler, MD, FAAPM&R, FAADEP, DAAPM, CIME

Nathan D. Zasler, MD, is an internationally respected specialist in brain injury care and rehabilitation. Dr. Zasler is the CEO and medical director of Tree of Life, a living assistance and transitional rehabilitation program for persons with acquired brain injury. He is also CEO and Medical Director of the Concussion Care Centre of Virginia and serves as the medical consultant to Pinnacle Rehabilitation. He is board certified in Physical Medicine and Rehabilitation and fellowship trained in brain injury. He is a fellow of the American Academy of Disability Evaluating Physicians, a board certified independent medical examiner and a diplomate of the American Academy of Pain Management.

Dr. Zasler has lectured and written extensively on neurorehabilitation issues. Dr. Zasler is active in numerous national and international organizations dealing with acquired brain injury and neurodisability, serving in consultant or board member roles. He has co-edited three textbooks, "Rehabilitation of Post-Concussive Disorders", "Medical Rehabilitation of Traumatic Brain Injury" and "Rehabilitation of Functional Disorders", and is currently working on several others. He is on the editorial boards of numerous medical journals and is editor-in-chief of the international scientific publications "NeuroRehabilitation: An Interdisciplinary Journal", "The International Neurotrauma Letter" and "Brain Injury".

His main areas of clinical and research interest include neuromedical issues in acquired brain injury, particularly mild TBI and low level neurologic states, and chronic pain rehabilitation including headache.

Michael F. Martelli, PhD, DAAPM

Michael F. Martelli, PhD is the director of Rehabilitation Neuropsychology for Concussion Care Centre of Virginia and Tree of Life. He has 15 years of experience in rehabilitation psychology and neuropsychology with specialization in practical, holistic assessment and treatment services, primarily in the areas of rehabilitation of neurologic and chronic pain disorders. He is the commissioner of psychology for the Commission on Disability Examiner Certification of the National Association of Disability Evaluating Professionals, is a Clinical Assistant Professor in the Departments of Psychology and Psychiatry, has an additional appointment in the Department of Rehabilitation Counseling at Medical College of Virginia / Virginia Commonwealth University, and has a diplomate from the American Academy of Pain Management.

He also serves on several editorial review boards and brain injury related boards, serves in the Continuing Education Committee of the Rehabilitation Psychology Division of the American Psychological Association, is and editorial advisory board member and ad hoc reviewer for several national and international journals, is the current President of the Brain Injury Association of Virginia, and has lectured and written widely with over 300 papers, abstracts, articles, chapters, and talks in numerous areas relating to disability, rehabilitation, neuropsychology and chronic pain. He has produced a Habit Retraining model and methodology for neurologic and musculoskeletal rehabilitation for which some impressive outcome data are currently being collected. He is also president of High Hopes, Inc., a nonprofit organization dedicated to providing affordable housing opportunities for persons with neurologic disability. His Villa Martelli Disability Resources website offers a comprehensive listing of some of the most useful informational resources and links for professionals and patients who assess, treat, or cope with physical or neurologic injury or impairment.