Dr. Andrew Dennis is a senior trauma and burn surgeon at the Cook County Trauma and Burn Unit in Chicago and the Chief Medical Officer (sworn) at the Illinois State Police. He is a leader in academic trauma surgery, EMS, law enforcement and the entertainment industry. Dr. Dennis is a Professor of Surgery at Rush University and the Chair of the Department of Surgery at Midwestern University. Dr. Dennis is a speaker, educator, author and extensively published researcher with a focus on public safety, injury management and prevention, hemorrhage, first responder wellness, and disaster preparedness. He has a long career in film and television as Executive Medical Advisor and Producer for NBC's "Chicago One" series, as well as many other network and studio TV and film productions.