More information about Gladius Tactical’s management and pistol training teams.

Our instructors incorporate years of military and executive protection experience into the course curriculum.

Gladius Tactical's
Certified Training Instructors

Oded Krashinsky

Owner and CEO

Mr. Krashinsky is a veteran lieutenant of one of the world’s most respected secret service special operations units. Having served with top-secret security clearance, he is specially trained in anti-terrorist tactics, multiple firearms and electronic counter-surveillance, threat analyses, risk assessments, emergency preparedness, and crisis planning. He has extensive experience in strategic planning, personnel management, training, and emerging technologies with strong physical security assessment and physical security planning expertise for chief executive officers and high net-worth private clients and families.

  • Israeli Air Force Commando/Tier 1 Operator

Mark Tolleson

Director of Training - Gladius Tactical at Elk River

Mark served in the US Navy from 1991 to 1999. He served as a weapons specialist in the Atlantic Fleet and in support of Naval Special Warfare Command.

After the Navy, Mark served as a SWAT Officer in both Florida and Tennessee for more than ten years. He was an entry team leader, sniper, sniper team leader and instructor.

After 9/11 Mark deployed to the Middle East as a contract security operator for more than 4 years. He worked for various organizations as an operator, sniper, team leader and instructor.

He has been teaching professionally for more than 20 years and has taught for some of the most elite training organizations in the country.

He holds numerous instructor level certifications from organizations such as the FBI, Department of State, and NRA Law Enforcement division.

Raz Klinghoffer

Training Instructor

Raz Klinghoffer is a former Israeli Navy SEAL who dedicated six years of his life to the Israeli Defense Forces (IDF). He has participated in countless military operations and managed, commanded, and trained troops on both land and sea, finishing his career with the rank of Top Sergeant. Trained in many disciplines, Mr. Klinghoffer served as a first-aid lead and completed extensive training as a field medic. Afterward, Mr. Klinghoffer began his career in protection and security, acting as a team member of special security forces that secured gas platforms 15 miles from Israel’s shoreline.

Mr. Klinghoffer moved to the United States shortly upon his completion of duties off the Mediterranean coast and graduated from PWA's Comprehensive Security Training Course. Upon completion, he was hired by ASC as an executive protection agent working with and around A-list celebrities directly in the field. His training and expertise have led him to become an Instructor for PWA, with his main area of expertise displayed as a teacher on the firing range.

  • Close Protection Specialist
  • Israeli Navy SEAL

Brig Barker

Training Instructor

Brig Barker was a career FBI Agent (Counterterrorism) that lived overseas for five years and has worked extensively in the Middle East and Africa over a span of 30 years. An Arabic speaker (MSA) with extensive management experience having led two interagency counterterrorism task forces. Further hand-selected as the FBI Senior Advisor embedded with U.S. Special Operations Command for two years. Former FBI SWAT operator and sniper. A former Army officer (Captain) having served in the 82nd Airborne as a platoon leader, weapons executive officer, and acting company commander both in garrison and combat environments.

  • Retired FBI Agent

Bob Dougherty

Training Instructor

Bob worked for 25 years as an undercover Operations Officer for the CIA. He has deep operational experience in the U.S., Europe, Central America, South America, and the Middle East. Bob has successfully worked against foreign terrorist groups such as The Islamic State, Al-Qaida, Hezbollah, Sendero Luminoso, and the Palestine Liberation Organization. In addition, Bob has extensive experience in working against Iranian state-sponsored terrorism, and government of Iran intelligence and procurement operations worldwide.

Bob has served as a subject matter expert instructor on terrorism and countering terrorist cells inside the U.S. and overseas for a variety of classes attended by law enforcement, U.S. government federal officers, U.S. military personnel, and civilian specialist first-responders. Bob is a senior instructor on HUMINT and Counterterrorism for U.S. military special operations elements including Naval Special Warfare units.

Bob is also an adjunct professor at the California Specialized Training Institute – the State of California POST training entity for law enforcement personnel. Bob has personally developed, managed, and carried out multiple high-profile operations during his career that lead to the capture of several high-profile terrorists, and the effective dismantling of terrorist networks.

  • Retired CIA Agent

Jacob Lupton

Lead Training Instructor

Mr. Lupton joined Gladius Tactical to pursue his vision for a premium security training organization that would meet the growing demand for a higher level of protective services. Mr. Lupton is a veteran Sergeant of the United States Marine Corps.

Mr. Lupton served with BLT 2/1 Fox Co. (Amphibious Raid Company) and was assigned to the Maritime Special Purpose Force (MSPF) Trailer Platoon. Mr. Lupton deployed with the 13th, 11th, and 15th MEU SOC (Marine Expeditionary Unit, Special Operations Capable), to include the 2003 Invasion of Iraq. Mr. Lupton was later assigned to WFTBN (Weapons and Field Training Battalion) at range 505 as a Field Instructor.

He has proven himself as an effective leader with the ability to elicit interest and enthusiasm using a common-sense approach. His degree of attention to the protection of client assets and unique solutions always meets or exceeds our clients’ highest goals and expectations.

  • Close Protection Agent
  • US Marines - 1st Marine Division, NCO

Steve Burkett

Van Nuys Head Instructor

Steven is a senior instructor and training center manager at ASC. He is a certified weapons instructor and Range Safety Officer. He currently holds instructor certifications with the State of California Bureau of Security and Investigative Services (BSIS) – Firearms; Department of Justice DOJ) – Firearms Safety/Roll Fingerprint; National Rifle Association (NRA) – Pistol, Range Safety Officer; American Heart Association (AHA) – CPR/First Aid; and Taser International – Taser X26-X2. Steven holds additional certifications and licenses with the Federal Aeronautics Administration (FAA) – Helicopter Pilot; Sports Car Club of America (SCCA) – Competition Race License; Federal Emergency Management Agency (FEMA) – Active Shooter; Glock – Armorer; To-Shin Do Martial Arts – Brown/Black Belt.

Steven joined Advanced Security Concepts in 2010 and has been a member and instructor of our elite Executive Protection Team for over seven years. He has worked on hundreds of protection details with some of our highest-profile celebrities and executives in addition to many red-carpet awards shows and movie premieres. He has over 30 years of experience in managing and supervising personnel teams.

  • Close Protection Specialist
  • NRA Instructor/Concealed Weapons Instructor

David Paladini

Medical Training Instructor

An 18-year veteran of the United States Army and a member of the Ranger community, David has functioned as a Long-Range Detachment team member and leader. As a secondary military occupational specialty (MOS), he graduated from the Health Care Technician’s course at Fort Sam Huston, Texas, and was awarded the military MOS 68 W. He is a member of the Special Operations Medical Association, Ranger Association, and Army Parachute Association.

Mr. Paladini is a civilian paramedic with over 15 years’ service in Southern California-based 911 systems. David is Affiliate Faculty to the American Heart Association and holds Instructor Credentials in Basic Life Support (BLS) CPR, Advanced Cardiovascular Life Support (ACLS), and Patient Advice and Liaison Service (PALS) disciplines. He currently functions as Course Coordinator for the National Association of Emergency Medical Technicians (NAEMT) Prehospital Trauma Life Support (PHTLS) course and is Affiliate Faculty, Course Coordinator, and Military Instructor for NAEMT’s Tactical Casualty Combat Care course. David has also graduated from a California Peace Officers Basic Peace Officer Standards and Training (POST) academy and functioned as a reserve Deputy.

  • US Army - Medic (68W), NCO
  • Former Law Enforcement Officer

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