William Aprill is a licensed mental health professional with over 20 years experience across the continuum of clinical care. He presently maintains a private practice and consultancy specializing in post-traumatic interventions and other disciplines. William is a former deputy sheriff (Orleans Parish, LA, Criminal Sheriff’s Office) and Special Deputy US Marshal (Eastern District of Louisiana). He is a decorated competitive shooter and has taught civilian, law enforcement, and military personnel in various fighting skills since 1990. He maintains an active schedule both as student and teacher, having been instructor-rated by several top-tier trainers and studying under many of the most influential members of the combative arts community. Through his company Aprill Risk Consulting, William has presented his material on violent criminals and their decision-making, defensive incident aftermath, mindset development and defensive preparedness nationally, including at the Illinois Homicide Investigators Association, the Annual Conference of the International Association of Law Enforcement Firearms Instructors (IALEFI), the Annual Conference of the Georgia Association of Law Enforcement Firearms Instructors (GALEFI), Rangemaster Tactical Conference, Tactical Response Alumni Weekend, and the Louisiana Homicide Investigators Association. He is a co-founder and the Training Director of Paul-E-Palooza, the memorial conference and fundraiser for the family of the late Paul Gomez. Collaborative presentations have been conducted across the country with Craig Douglas/Shivworks, Modern Defensive Training Systems, Immediate Action Combatives, Point-Driven Training, Sharp Defense, Lethal Force Institute, Rangemaster, Active Response Training, Tactical Response, Safety Solutions Academy, Defense Training International, Armed Dynamics, and others. William was one of two expert contributors included in the highly-acclaimed Best Defense: Mass Casualty Event broadcast on Outdoor Network, is a contributing author to the forthcoming text by Massad Ayoob, and is the subject of two Personal Defense Network DVDs of his original training material on defensive decision-making and mindset development. He has has been referenced in publications including RECOIL magazine, The Tactical Wire and The Journal of the Armed Citizen’s Legal Defense Network, and has been a regular guest in firearms/training industry media, including popular appearances on: 
 Ballistic Radio 
 Practically Tactical
 The Arms Room Show
 Downrange Radio, with Michael Bane, 
 American Warrior, with Michael Seeklander The Safety Solutions Academy Podcast Armed Dynamics podcast
 Armed Squirrels Project
 GunBlogVarietyCast “DrZ” YouTube channel, with Dr. Dave Zehrung “Crash & Burn”, with Allstar Tactical 
 ReWild Yourself podcast Personal Defense Talk