Rios is largely a theatrical actor, but has also starred in films and on television.
He won the Ariel Award for Best Actor for his performance in the movie Fairy Tales for Sleeping Crocodiles, taking another Best Actor nomination for Desiertos mares.
[1] In theater he has participated in more than 80 works and has won two awards as best actor: one for El otra exilo and the other for Devastated.
[2] He was the founder of the Taller del Sótano theater group and is part of Por Piedad Teatro.
He has been a FONCA Fellow twice, first for playing Richard II in the Shakespeare play, and second as a Scenic Creator with Outstanding Career for the works "The Lesson" by Ionesco, "Shakespeare: his Invention" by Arturo Ríos, and "The Golden Dragon", by Roland Schimmelpfennig.