Mexican-born dog trainer who has gained fame on the reality series Dog Whisperer with Cesar Millan.
He earned the nickname "the dog boy" as a child while working on his grandfather's farm.
He wrote several dog training books and produced popular magazine Cesar's Way in 2009.
He was married to llusion Millan from 1994 to 2012. In 2013, he began dating Jahira Dar and the couple became engaged in 2016. He has two sons, Calvin and Andre.
He earned the support of Jada Pinkett Smith after she witnessed his skill first hand.