Larry McCleary, M.D. is the retired Acting Chief of Neurosurgery at Denver Children’s Hospital. He performed postgraduate work in theoretical physics prior to attending medical school. Dr. McCleary holds several patents for nutritional supplements and is the Co-Founder of Natural Health Pathways. He is also the volunteer medical director for the Shining Stars Foundation, a nonprofit organization located in Colorado that provides programs for children with cancer and other life-threatening diseases.