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Grand Master

Roger Hatcher

  • 7th Dan Black Belt

  • Instructor Since 2002

  • Senior Master Instructor

  • 2nd Dan JoongBongSul

  • 3rd Dan KumDo & Iaido Instructor

Master

Wyatt Sebers

  • 5th Dan Black Belt

  • Instructor Since 2019

  • President and Owner

  • Olympic Sparring Inst.

  • 319-382-8965

  • btkda.ia@gmail.com 

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Master

Isabella Rasmussen

  • 4th Dan Black Belt

  • Instructor Since 2018

  • Master Instructor

  • Demo Team Senior Coach

  • Lifetime Demo Member 

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Mrs.

Katy Sebers

  • 3rd Dan Black Belt

  • Instructor Since 2020

  • VP and Owner

  • STORM Director

  • 319-382-8965

  • btkda.ia@gmail.com 

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