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Michael Chapman

4th Degree Black Belt



In 1991, Michael began training Jiu Jitsu while living in Japan. After returning to Oregon in 1993, Michael’s pursuit of Jiu Jitsu continued when he started one of the first local garage groups. While training with Matt Thornton, Michael opened Impact Jiu Jitsu in 1998 (first known as SBG Beaverton). Michael received his black belt in BJJ from Chris Haueter in the Spring of 2004. In 2018, Chris awarded Michael the 4th degree on his black belt.

  • Owner & Head Coach, Impact Jiu Jitsu (19 locations)
  • Owner, subleague.com Tournaments (est. 2005)
  • Jiu Jitsu Competitor, IBJJF Pan Jiu-Jitsu Gold Medalist
  • Code 4 Concepts (C4C) Certified LEO Instructor
  • Army Combatives Level 2 Certified

In 1991, Michael began training Jiu Jitsu while living in Japan. After returning to Oregon in 1993, Michael’s pursuit of Jiu Jitsu continued when he started one of the first local garage groups. While training with Matt Thornton, Michael opened Impact Jiu Jitsu in 1998 (first known as SBG Beaverton). Michael received his black belt in BJJ from Chris Haueter in the Spring of 2004. In 2018, Chris awarded Michael the 4th degree on his black belt.

  • Owner & Head Coach, Impact Jiu Jitsu (19 locations)
  • Owner, subleague.com Tournaments (est. 2005)
  • Jiu Jitsu Competitor, IBJJF Pan Jiu-Jitsu Gold Medalist
  • Code 4 Concepts (C4C) Certified LEO Instructor
  • Army Combatives Level 2 Certified


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