Grand Master Roger Hatcher

  • 7th Dan Black Belt

  • Instructor Since 2002

  • Grand Master Instructor

  • 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 

Master Isabella Rasmussen

  • 4th Dan Black Belt

  • Instructor Since 2018

  • Master Instructor

  • Demo Team Coach

  • Lifetime Demo Member 

Mr. Simon Young

  • 3rd Dan Black Belt

  • Instructor Since 2022

  • Demo Team Member

  • Nunchaku Instructor

Mrs. Katy Sebers

  • 3rd Dan Black Belt

  • Instructor Since 2020

  • VP and Owner

  • STORM Director

  • 319-382-8965

  • btkda.ia@gmail.com 

Mr. Revan Hemmingsen

  • 2nd Dan Black Belt

  • Instructor Since 2022

  • Demo Team Member