Dr. Lewis K. Clarke, MD, PhD, is a clinical neuroscientist with over four decades of experience in neurobiology and patient care. After completing his PhD in neurochemistry and cell biology at the University of Texas Health Sciences Center at Dallas, followed by medical training at Texas Tech University Health Sciences Center, Dr. Clarke specialized in physical medicine and rehabilitation at Baylor College of Medicine. As PAM Health's corporate medical director of brain injury treatment and research, he has pioneered innovative approaches to neurological recovery. Dr. Clarke has treated thousands of patients with traumatic brain injuries, strokes, and neurodegenerative conditions, applying his unique integration of molecular biology, neurochemistry, and clinical expertise. He founded a rehabilitation hospital in Clear Lake, Texas, where he continues to develop state-of-the-art neurorehabilitation protocols and conduct groundbreaking research on neuroplasticity and brain regeneration.