Atos HQ black belt Michael Liera Jr. teaches his guard pass system, during his master class at Atos HQ in San Diego CA on Monday September 13th 2021.

Michael Liera Jr. received his black belt from Andre Galvao in November 2014. He is a IBJJF Pan Champion; a IBJJF Europeans Champion; and a 3x IBJJF World Champion (colored belts).

Instagram: @lierajr