Cesar Gracie is a Brazilian Jiu-Jitsu Black Belt under Carlos “Carlinhos” Gracie, Jr., the son of Carlos Gracie (founder of “Gracie Jiu-jitsu). Cesar Gracie is the man behind the famous GracieFighter Academy. Known for his amazing amount of techniques, his attention to detail, his knowledge of theory and tactics, and his ability to get this across to his students, Cesar has managed to produce an extraordinary number of top fighters and champions. Some of these top competitors and champions include: David Terrell, Nick Diaz, Jake Shields, and Gilbert Melendez. Cesar is also well known for his video instructional series, which is considered by many to be the best example of video instruction on Gracie Jiu-Jitsu..

Sergio Lourenco is a Brazilian Jiu-Jitsu black belt from the Gracie Tijuca Academy in Rio De Janeiro, Brazil. Sergio has won multiple Pan American Championships and holds the distinction of winning the Pan American's at every level except black belt. Recently, Sergio has begun a career in MMA where he looks to exploit his amazing ground skills. He is currently teaching and training at Cesar Gracie's academy in Pleasant Hill, CA.