Über den Autor und weitere Mitwirkende
is a multiple time black belt world champion, submission wrestling champion and MMA fighter based out of Rio de Janeiro, Brazil. Andre is currently fighting MMA for DREAM and Strikeforce while competing regularly in jiu-jitsu and submission wrestling.Kevin Howell
is a political science professor and author based out of Huntington Beach, California. He is a brown belt in both judo and Brazilian Jiu-Jitsu as well as an assistant instructor at the Vieira Bros' Fight Zone USA Academy in Signal Hill, California.