Known for his tasks in multiple Spanish-language telenovelas, Poza could very well be most well-known for his TVyNovelas Award-winning performances in the Televisa soaps Un Manantial and Alma de Hierro. In the beginning of his profession, he made an appearance in the 1990 film Bandidos and in the 1992 telenovela Un Abuelo con Yo. In the series Velo de Novia, he performed the dual part of great twin Rafael and bad twin Ernesto. Before closing in divorce in 2008, his relationship to fellow tv celebrity Mayrin Villanueva created fraternal twins called Sebastian and Romina (created in 2003). He and Nailea Norvind both performed supporting tasks in the 2004 telenovela Mujer de Madera.