In 1984, at the age of 22, he moved to Mexico and obtained small role in a college film and in the telenovela La pobre señorita Limantour.
Rojas continued to perform onstage, in works like Mi mujer se llama Mauricio and Final de viernes.
A year later, he also recorded an album of pre-Hispanic music and started filming a new telenovela titled Flor de campo.
After the early 2000s, Rojas retreated from the public eye and despite returning to acting in 2017, maintains a low social media profile.
[4] In 2017, he returned to act in the 2017 telenovela El final del Camino and movie Despertar (2017), along with actress Alejandra Toussaint, which was a co-production between Costa Rica and Mexico.