Allan Hamilton started his working life as a janitor. He would eventually go on to graduate from Harvard Medical School and complete his neurosurgical residency training at the Massachusetts General Hospital in Boston. Dr. Hamilton holds four Professorships at the University of Arizona in Neurosurgery, Radiation Oncology, Psychology, and Electrical and Computer Engineering. He has been chosen by his neurosurgical peers as “One of America’s Best Doctors” for the last eighteen consecutive years, was selected as “One of the Leading Intellects of the Twenty-First Century,” and recently received the 2017 Albert Nelson Marquis Lifetime Achievement Award as one of the most distinguished individuals in his profession. Dr. Hamilton has held positions as Chief of Neurosurgery, Chairman of the Department of Surgery at the University of Arizona. Dr. Hamilton now serves as Executive Director of the Arizona Simulation Technology and Education Center, a multi-disciplinary think-tank at the Arizona Health Sciences Center devoted to developing new technologies and training procedures to reduced preventable medical adverse events. He has authored more than twenty medical textbook chapters, seventy-five peer-review research articles, and has served on the editorial board of several medical journals. He was also a decorated Army officer who served in Operation Desert Storm. Dr. Hamilton is a world renown horse trainer whose work with natural horsemanship has been showcased on the NBC “Today” Show, ABC News, CNN, and PBS. and has been featured in Western Horseman, Equus, and Horse & Rider. For the last decade, Dr. Hamilton has served as Senior Medical Script Consultant on more than two hundred episodes of the hit TV series Grey’s Anatomy and for four seasons with the show Private Practice. He recently served (and acted in) Peter Berg’s new movie Patriot’s Day (2017), starring Mark Wahlberg, about the Boston Marathon bombing. He is currently working on a fourth book on the human brain, a book of poetry, and developing a new TV medical drama series.