Our Instructor

  • Head Coach Nikos Michaelidis At His Sambo 7 Gym In Billerica.

    Head Coach Nikos Michaelidis

    Pan-American Bronze Medalist | 2x National Champion

    Coach Nikos brings a unique, multidisciplinary approach to martial arts. Unlike many instructors who focus solely on fighting, Nikos combines the explosive body control of gymnastics, the raw power of powerlifting, and the tactical precision of Sambo to create complete athletes.

    Competitive Accolades:

    Bronze Medalist at 2025 Pan American Sambo Championships

    2x National Sport Sambo Champion

    Founder of Spartan Sambo, a YouTube channel dedicated to teaching Sambo and fitness.

    Coaching & Safety Expertise:

    • Certified Sambo Coach: Officially certified to teach the curriculum of the All American Sambo Federation.

    • 8 Years of Coaching Experience: A seasoned professional with nearly a decade of experience in Personal Training and athletic coaching.

    • SafeSport Certified: Fully vetted and trained in athlete safety and abuse prevention—ensuring a secure environment for all students.

    • Gymnastics Coach & Athlete: With a background as both a competitive gymnast and a Gymnastics Coach, Nikos specializes in body control, balance, and teaching students how to fall safely ("breakfalls") before they ever learn to throw.

    • Sports Massage Therapist: Applies a deep understanding of anatomy and recovery to prevent injuries and ensure long-term athletic health.

    Nikos is passionate about growing the sport of Sambo in New England. He doesn't just teach moves; he teaches the concepts, strategies, and biomechanics that make Sambo effective for everyone—from 5-year-old beginners to high-level competitors.