We Don't Just Train You Harder...
We Train You Smarter


Jon Engum is a 7th Dan Kukkiwon Certified

Taekwondo Grandmaster and holds Master rank in Hapkido and Kumdo. 


He is the author of Flexible Steel, Creator and Chief Instructor of the Flexible Steel System,

owner of Jon Engum’s Extreme Training

and a StrongFirst Master Instructor

who teaches Workshops, Courses and

Certifications worldwide.


Call or email today to find out how to host a Workshop.


(218) 828-7063

info@extremetraining.net