John Marsh

Nickname: “Maluco”
Head Instructor: Maryland
email: john@knowconcept.com
Facebook: http://www.facebook.com/jfmarsh

Age: 41
Height: 5′ 11″
Weight: 180 Lbs.
Specialty: Brazilian Jiu-Jitsu, Submission Grappling, Self Defense

Description: John is the head instructor of Know Concept Jiu-Jitsu.  John’s training methods rely on body mechanics, leverage and the science of Jiu-Jitsu; not on physical prowess.  Instruction from John is precise, with high percentage concepts and techniques detailed.  John sits on the board and is the main consultant to the Sport Fighter Referees Association.  John is the Director for the the Wilson Mattos Jiu-Jitsu Association in Rio De Janeiro, Brazil.  John has and continues to train fighters for sport, recreation, and self defense applications.

Students Include: Young Adults, Adults, Full-Time Fighters, Law Enforcement, Military, Business Professionals, and more.

Lineage:  Jigoro Kano ->  Mitsuyo Maeda-> Luis Franca ->Oswaldo “Fadda” Batista -> Master Wilson Mattos -> Andrew Correa -> John Marsh

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Uriel Casas

Nickname: “100 Kilos”
Instructor: Maryland
email: uriel@knowconcept.com

Age: 31
Height: 5′ 4″
Weight: 170 Lbs.
Specialty: Brazilian Jiu-Jitsu, Submission Grappling

Description: Uriel is an instructor with Know Concept Jiu-Jitsu.  Uriel’s closely follows and believes in the Know Concept teaching methods by relying on leverage, body mechanics, and technique.  Uriel does not teach students to utilize size or strength to their favor.  Rather, focus is placed on finishing an opponent with strict application of technique.  His instruction emphasis is on basic fundamental movements.  He tries to develop students’ core foundation.

Uriel is a personal trainer in Bethesda, MD.  He utilizes MMA style fitness in his training.

Students Include: Young Adults, Adults, Full-Time Fighters, Law Enforcement, Military, Business Professionals, and more.

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EJ Cochran

Nickname: “Vaqueiro”
Coach: Maryland
email: ej@knowconcept.com

Age: 21
Height: 6′ 0″
Weight: 170 Lbs.
Specialty: Brazilian Jiu-Jitsu, Submission Grappling

Description: EJ is a certified coach with Know Concept Jiu-Jitsu. EJ is our newest coach serving Maryland.  Over the past several years, EJ has spent countless hours honing his fundamental Jiu-Jitsu skills.  Having the natural ability to teach what he has learned, EJ has moved from athlete to coach status.  Here, he will provide athletes with training on fundamental movements, “survival postures”, and positional/submission escapes.  Additionally, he will focus on self defense aspects of Jiu-Jitsu with new students.

EJ is currently pursuing a career in law enforcement while continuing his college education.