Cesar Millan, (born César Millán Favela; August 27, 1969) is a Mexican-born American dog trainer. A self-taught expert, he is widely known for his television series The Dog Whisperer with Cesar Millan which is broadcast in more than eighty countries worldwide. Prior to The Dog Whisperer series, Millan focused on rehabilitating especially aggressive dogs and founded the Dog Psychology Center in South Los Angeles (2002–2008) - under construction in a new Los Angeles location as of late 2009.
With Ilusión Millan, his former wife, he founded the Cesar and Ilusión Millan Foundation - since renamed the Millan Foundation. He is working with Yale University to create a children's curriculum based on his work.