TRITAC/Coaches/Sean Doenias
BJJ · Japanese Jujitsu · No-Gi Grappling

Sean Doenias

Team Jiu-Jitsu coach. BJJ Black Belt under Matt, Japanese Jujitsu Black Belt under Sean Juggler, US Army veteran with wrestling background.

Sean Doenias
Jiu-Jitsu Coach

Sean Doenias

Best For

Serious grapplersWrestlersAthletes wanting toughnessReturning veterans

Specialties

BJJJapanese JujitsuNo-Gi GrapplingWrestling

Credentials

  • BJJ Black Belt (under Matt Bryers, TRITAC)
  • Japanese Jujitsu Black Belt (under Sean Juggler, Zen Budo Jujitsu)
  • Wrestling background
  • US Army Veteran (deployed)
  • DPT, University of Connecticut, 2022
  • NSCA-CSCS
The Full Story

Sean Doenias is one of TRITAC's lead Jiu-Jitsu coaches. He runs the Monday no-gi Jiu-Jitsu class and coaches members across the rest of the week. Black Belt in Brazilian Jiu-Jitsu under Matt Bryers, Black Belt in Japanese Jujitsu under Sean Juggler at Zen Budo Jujitsu in New Milford, CT. Strong wrestling background. US Army veteran with overseas deployments. Tough, athletic, intelligent grappler who helps every level on the mat. Sean also holds advanced strength-and-conditioning credentials (DPT, University of Connecticut 2022; NSCA-CSCS) that inform how he coaches around injuries, but his role at TRITAC is on the Jiu-Jitsu mat.

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Meet the rest of the team.

Matt Bryers

Matt Bryers

Owner, Head Coach

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Owner and head coach. 30+ years on the mat, BJJ 3rd degree black belt, Kobukai Jujitsu Kaiden 5th Degree, co-creator of the TRITAC system.

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Oz Pariser

Oz Pariser

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Technical learnersCompetitorsDetail-oriented students

Former pro MMA fighter (4-1). BJJ black belt plus black belts in Kobukai Jujitsu and Kyokushin.

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Chris Ahearn

Chris Ahearn

Head Strength & Conditioning Coach

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Head S&C coach. NASM + ISSA certified, 12+ years training fighters and general-population clients.

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Ruben Gallego

Ruben Gallego

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Self-defense studentsBeginnersReal-world preparedness

Lead combatives coach. Certified Defence Lab instructor with international teaching experience.

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