Poza was born in Tulancingo, Hidalgo, Mexico. He started his acting career in the movie Bandidos in 1990, but his career as a TV actor started in 1992 in the telenovela El abuelo y yo by Pedro Damian along with Gael García Bernal.
Jorge Poza sa v roku 1997 oženil s herečkou Mayrínou Villanuevovou, s ktorou sa spoznal počas natáčania telenovely Preciosa. Po jedenástich rokoch sa ich manželstvo...