Jason Shaun Kaczmarek
Instructor and ranked competitor representing Proving Grounds Jiu Jitsu & MMA.
Reported team or academy
Proving Grounds Jiu-Jitsu
This source affiliation may refer to a wider team. A specific gym location has not been confirmed by this label alone.
Associations
No major titles recorded yet for this athlete.
Jason Shaun Kaczmarek is the head instructor at Proving Grounds Jiu Jitsu & MMA, a Brazilian Jiu-Jitsu academy in Shelby Township, MI, USA. 28 competitors in the JiuJitsuGyms database list the academy as their team, 7 of them black belts, and between them they hold 19 championship titles (19 IBJJF Open). This profile was built from the IBJJF academy directory, where Jason Shaun Kaczmarek is registered as the academy's responsible instructor. Instructors can claim this profile to add a full bio and photo.