David Keith Werner

Black Belt

Instructor and ranked competitor representing Jean Jacques Machado Florida.

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Major Titles

Verified achievements recognized on the rankings.

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Detailed Description

David Keith Werner is the head instructor at Jean Jacques Machado Florida, a Brazilian Jiu-Jitsu academy in Jacksonville, FL, USA. This profile was built from the IBJJF academy directory, where David Keith Werner is registered as the academy's responsible instructor. Instructors can claim this profile to add a full bio and photo.