Mexican with portuguese blood living between Rhodes Island and Lisbon, started djing while working at a radio station and being public relations of the biggest club in Évora, Portugal (Kalmaria). His own radio show MIX TELEFONIA back in 2000, was the first show in one of the biggest regions of Portugal broadcasting and mixing live with guest dj's as DJ Double Z and DJ Kosta and after some months with Oscar him self. MIX Telefonia remains on air every friday night but not always live due to Oscar's schedule.
Oscar has played in many parties and clubs around Europe with dj's like Hernan Cattaneo and Seb Fontaine.

Most of Oscar-X's appearances have been in erotic parties organized in partnership with Exotic Angels and other promoters. His style is progressive and sexy house mixing up to minimal techno.