Jon Engum
Founder
Jon is a peerless teacher and martial arts grandmaster. An 8th Dan Kukkiwon Taekwondo Grandmaster, he also holds Master-level black belts in Hapkido and Kumdo. Jon is a StrongFirst Certified Master Instructor, teaching globally and hosting kettlebell, barbell, and bodyweight certifications. He’s also the founder of Flexible Steel—a system fusing martial arts flexibility, kettlebell strength, and modern movement science into one powerful platform.