John is a 27 year Law Enforcement Veteran of both major city and semi-rural jurisdictions. John has served as a Special Assignments Officer, Field Training Officer, SWAT Team Member, Team Leader and Assistant Commander. He was the lead firearms instructor for his department for over 15 years. He was a SWAT and Tactical Response instructor for over ten years. While working for a Police Academy he was a Master Firearms Instructor and a Master Tactical Response Instructor as well as an instructor in defense and arrest tactics, professional communications and emergency vehicle operations. John also assisted the Wisconsin DOJ Law Enforcement Standards Board teach their tactical updates for several years and assisted in writing of the Firearms manual. John has taught with Northeast Wisconsin Technical College at the International Law Enforcement Educators and Trainers Association (ILEETA) Conference. John is an Instructor for Waukesha Area Technical College. He currently has his own company and corroborates with other trainers. John is also a U.S. Army Veteran serving both as an Enlisted Man and a Commissioned Officer for ten years in both the Army and the Army Reserves.