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Marc m. sullivan

Firearms & Tactics Instructor

Marc has an extensive background in security operations, intelligence collection & analysis, and small unti tactics.  Marc has focused the last 25 years on securing government facilities and infrastructure while serving with the United States Army, a Managed Services Consulting Firm, and State Government.

SEASONED PROfessionalS

OUR CONSULTANTS HAVE BEEN EVERYWHERE – RETAIL TO WALL STREET to far off lands


We select talent with experience and expertise in counter terrorism, security operations & personal security detachments, intelligence & threat analysis, law enforcement training, and more.  The common experience among them all is successful career assignments proving their capabilities in volatile, uncertain, complex, and ambiguous environments.   Our professionals have operated in many metropolitan U.S. and European cities, honing skills and developing experience to assist you in today's contemporary operating environment.  We are looking forward to working with you as you develop a business security strategy to improve security, productivity, and employee relations.

Our Team

let our experience work for you

John f. preuss

​Lead Instructor | Training Counselor​

John originally established Armed Protective Services, LLC to provide security consulting and training for businesses and individuals.  The guiding principles of Security and Training stem from his 37 years experience in security operations as a Federal Law Enforcement Officer and United States Air Force senior leader.

​ARMED PROTECTIVE SERVICES, LLC