Keith Wittenstein

Keith began studying Jiu Jitsu in 1997 with Master Renzo Gracie. After receiving his blue belt, Keith began teaching at the Columbia University Brazilian Jiu Jitsu club. After receiving his purple belt, Keith took a long hiatus from BJJ to teach yoga open some CrossFit gyms, and coach CrossFit seminars around the world. Upon moving to New Jersey in 2015, Keith started training Jiu-Jitsu again at Sheridan BJJ. He has received his brown and black belts from Professor Kevin Sheridan. Keith loves teaching and sharing his knowledge with others. He still travels on weekends leading CrossFit seminars and teaches morning and lunch classes and offers private lessons.

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