Known for his roles in multiple Spanish-language telenovelas, Poza is perhaps most famous for his TVyNovelas Award-winning performances in the Televisa soaps El Manantial and Alma de Hierro.
At the start of his career, he appeared in the 1990 movie Bandidos and in the 1992 telenovela El Abuelo y Yo.
In the series Velo de Novia, he played the dual role of good twin Rafael and evil twin Ernesto.
Before ending in divorce in 2008, his marriage to fellow television star
He and Nailea Norvind both played supporting roles in the 2004 telenovela Mujer de Madera.