Bruce Siddle is the managing partner of Warrior Science Group, a group of companies that provides consulting, training and contract services to emergency services, law enforcement, military and counter-terrorism personnel. He is the pioneer of pivotal research into the influence of the Sympathetic Nervous System on perceptual and cognitive processing, motor performance and memory, which is now used in performance based training for the criminal justice, military special operations and combat aviation sectors. Mr. Siddle is the author of numerous articles on survival stress and combat performance and is a regular speaker at agencies including the Federal Law Enforcement Training Center, Chief's of Police and National Sheriff's Association. He has been a consultant for most branches of the military Special Forces units, FBI, Air Marshalls, and Secret Service. Mr. Siddle has been a guest on Fox News, NPR, and participated in a History Channel special on elite counter-terrorism units.