Owner & Instructor | DCJS Certified Tactical Professional : Kevin Bosman
Kevin Bosman brings a unique blend of frontline security experience and multidisciplinary technical skill to the Kore leadership team. A member of the Kore community since 2016, Kevin’s journey began while he was pursuing his EMT certification, grounding his approach to self-defense in a “first-responder” mindset—prioritizing efficiency, safety, and rapid response.
Professional Security & Tactical Experience
Kevin is a DCJS Certified Armed and Unarmed Private Security Professional, currently serving as a Security Officer in Ashburn, Virginia. This daily, real-world experience in the security industry ensures that his instruction is not just theoretical, but deeply informed by the current safety landscape of Northern Virginia. His ability to bridge the gap between classroom training and on-the-job application is an invaluable asset to our Adult and Tactical programs.
Technical Proficiency & Certifications
Kevin’s martial arts background is diverse, spanning years of dedicated Krav Maga training along with Karate, Boxing, Hapkido, and foundational experience in Brazilian Jiu-Jitsu and Muay Thai. His professional certifications include:
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Level 1 Certified Instructor, Krav Maga Global (KMG): Maintaining the rigorous international standards of the KMG system.
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Instructor Certification: Granted by our founder, Dr. Tammy McCracken, in 2023.
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Level 1 Coach, Muay Thai University: Certified under world-renowned Master Buck Grant, specializing in high-level striking and conditioning.
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Medical Foundation: His background in Emergency Medical Technician (EMT) training provides an added layer of safety and physiological awareness to his coaching style.
Commitment to the Kore Standard
As an owner and instructor, Kevin is committed to the “software and hardware” philosophy that defines Kore Self Defense. He focuses on developing students who are not only physically capable but also strategically aware. Kevin’s students benefit from his disciplined approach and his ability to deconstruct complex defensive tactics into actionable, life-saving skills.

























