Mike Beiner grew up in Central Islip where he wrestled and played football since Junior High School. After school, he enlisted in the Marine Corps and trained in the Marine Corps Martial Arts Program where he earned a black belt. While stationed in Okinawa Japan he started training Jiu-Jitsu under Ivan Sakamoto in April of 2013 and was awarded his blue belt in December of 2013. In December of 2015, he was awarded his purple belt. He was later stationed in Quantico Virginia where he trained at Koa Brazilian Jiu-Jitsu under Kelly Grissom from March to August 2016. In March of 2017, he moved back to Long Island and started training under Professor Carlos at Gracie Barra in North Babylon.