Our Instructors

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Military, law enforcement, private security detail, and even competitive shooting: Our instructors have seen and been through it all, and have the up-close-and-personal knowledge and experience to take your sniper and tactical skills to the next level.

Corey Clancy

Instructor

Corey has been an instructor for GPS Defense Sniper School for seven years and teaches marksmanship, ballistics, target detection, range estimation, fieldcraft and a variety of other sniper skills that are necessary to be effective in a combat environment. During his tenure with GPS, he has trained and certified scores of military, law enforcement, and private protection snipers.

Corey’s experience, education and training include military, combat, and private contracting. He served in the U.S. Marine Corps from 2001 to 2006 as an infantryman and Scout Sniper. He is a graduate of the U.S. Marine Corps Sniper School and was an assistant Sniper Team Leader and then a Sniper Team Leader during his final four years of service. During his five years of service in Afghanistan, Iraq, and in and around the Persian Gulf, he served in combat operations as a sniper, performing numerous sniper operations. As a private contractor, Corey spent an additional six years in Afghanistan and Iraq, where he performed the role of PSS/DDM to help protect U.S. Embassies and U.S. Dignitaries for the Department of State in high threat environments.

Chad Marr

Instructor

Chad has been an instructor for GPS Defense Sniper School for four years and teaches marksmanship, ballistics, target detection, range estimation, fieldcraft and a variety of other sniper skills that are necessary to be effective in a combat environment. During his tenure with GPS, he has trained and certified scores of military, law enforcement, and private protection snipers. Chad is also an AZPOST certified rifle and firearms instructor for a local law enforcement agency.

Chad’s experience, education and training include military, combat, law enforcement, and private contracting. He served in the U.S. Army from 2003 to 2010 as an infantryman and Scout Sniper. He is a graduate of the U.S. Army Sniper School and was the Company Sniper Team Leader during his final three years of service in the Army. During his two-and-a-half years of service in Iraq, he served in combat operations as a sniper, performing numerous sniper, clearing and over-watch operations. As a private contractor from 2010 to 2013, Chad spent an additional three years in Iraq, where he performed the role of PSS/DDM to help protect many dignitaries for the Department of State in a high threat environment.

Juan Ospina

Instructor

Juan’s experience, education and training include 20 years of military service, including service in combat.  Juan served in the U.S. Marine Corps from 1994-2014 as a Scout Sniper and had multiple combat deployments in support of the Global War on Terror. He is a graduate of the U.S. Marine Corps Scout Sniper School and served as Team member, Team leader, Chief Scout Sniper and Sniper Platoon Sergeant. Juan was a primary military instructor for all sniper field craft to include stalking, observation exercise, field sketches, and known/unknown distance using the M40A3/5, M107, M16A4, M4, and M9 platforms.  He conducted, tested, evaluated and supervised numerous bilateral training events throughout the Middle East and Southeast Asia using the following patrolling techniques:  cover/concealment, raids, Military Operations on Urbanized Terrain (MOUT), sniper engagements, wedge, column, and mounted/dismounted patrols.  Juan was an instructor for all conventional and unconventional sniper patrolling techniques, camouflage, Close Quarter Breach (CQB), sniper hide construction, initiating and reacting to contact.

Chris Ray

Instructor

Chris is a highly experienced, versatile firearms instructor.  He has extensive experience training all types of students from those with no firearms experience to highly specialized professional law enforcement personnel.

Chris served over 18 years as a Police Officer for the Phoenix Police Department before being medically retired.  During his tenure with the Phoenix PD, he distinguished himself as a highly skilled and professional Officer, resulting in him being entrusted to serve in a variety of skilled and leadership positions.  Those positions include the following: Member of the Special Assignments Unit (SWAT), as a full-time sniper, entry team member, and Grenadier for over 8 years,Lead Sniper Instructor (NRA Sniper Instructor), Rifle and Sub-Machine Gun NRA Instructor, Less-Lethal Instructor, Patrol Rifle and Recruit/In-service Firearms Instructor (AZPOST), Co-chair for the Sniper SME committee for the Arizona Tactical Officers Association, Police Academy Tactical Training and Firearms Instructor, Instructor for the annual Arizona law enforcement Sniperfest Training & Competition, FBI Sniper/Observer School (Arizona).

Chris has the heart of a teacher and enjoys every opportunity to help others improve their shooting skills.