Ehren David

Ehren has lived everywhere from Everett, Washington to Tokyo, Japan, and is the head instructor of HBJJ managing the school's day-to-day operations. He holds a Black Belt in Brazilian Jiu-Jitsu from James "300" Foster (Foster BJJ in Kent, WA), who also gave him his nickname, "Seminar Stalker".

Ehren has been training since 2010, teaching since 2012, refereeing since 2015, and a early supporter of the We Defy Foundation™ where he currently serves as the National Logistics Coordinator. Concurrently to Jiu-Jitsu he developed skill-sets in both law enforcement, military, and women's self-defense curriculums, providing instruction in all three both at HBJJ as well as through workshops, seminars, and private instruction.

Ehren is known for the notebook he carries as well as his "Stalker" series, a submission setup and guard passing system he continues to develop with his friends, training partners, and with key foundational contributions from Prof. Cindy Hales, Orlando Sanchez, and of course his instructor James Foster