Dandelion Jiu JitsuDandelion BJJ
Dandelion Jiu Jitsu coaches and a student posing together beneath the academy's gym logo in West Haven

The coaching team

COACHES AT DANDELION BJJ

Competitive knowledge matters. Knowing how to help a student learn matters just as much — meet the teacher-led coaching team in West Haven.

James Cook, Ed.D

Founder · Jiu-Jitsu & Wrestling Coach

James Cook, Ed.D

A first-degree BJJ black belt, veteran, educator, and accomplished competitor, James brings over a decade of martial arts and teaching experience to a structured, beginner-friendly academy.

Gabriel Martinez

Jiu-Jitsu Coach

Gabriel Martinez

A BJJ black belt, educator, farmer, and West Haven wrestling coach, Gabriel combines technical discipline with a deeply inclusive approach to student growth.

Mike Peters

Jiu-Jitsu & Wrestling Coach

Mike Peters

A BJJ purple belt, longtime wrestling coach, former UConn varsity athlete, competitive powerlifter, and certified personal trainer with decades of athletic experience.

Dimitri Thornton

Jiu-Jitsu Coach

Dimitri Thornton

A second-degree BJJ black belt and school psychologist, Dimitri blends high-level competition experience with expertise in confidence, discipline, and mental resilience.

Pete Trenchard

Youth Jiu-Jitsu Coach

Pete Trenchard

An educator with more than 20 years of teaching and coaching experience, Pete creates a safe, engaging environment centered on confidence and personal growth.

Marvin “Black Tiger” Jones

Striking Coach

Marvin “Black Tiger” Jones

Instructor MJ brings over 30 years of martial arts experience, combining multiple striking traditions into a disciplined and dynamic kickboxing program.

Ready when you are

TRY ONE WEEK 

No obligation. Come meet the coaches, see the space, and discover the right program for you.