Paul Schreiner is a Brazilian jiu-jitsu black belt under Claudio França who worked extensively with Garth Taylor, Marcelo Garcia, Dave Camarillo among others. Co-founder of the Kaijin Academy in Santa Cruz, California, Schreiner also gained notoriety in BJJs community as a coach at the Marcelo Garcia Academy - Alliance New York, where he helped develop the games of several high-end athletes produced by this prestigious training ground.