Starting out as a voice-actor, Ruben was working at the age of 6, participating in the production of radio advertisements for companies such as Tempo-team and Mc Donald"son After doing several castings without success he got the leading role in the short television movie Zomerdag (2006). Directed by Marc de Cloe, and starring Marcel Hensema and Jim van der Panne.
Four years later he had another leading role in his first feature film, Shocking Blue, which was also directed by Marc de Cloe.
Shocking Blue was selected by the film festivals in Breda, Sevilla, Detroit, Berlin and Rotterdam. lieutenant was also nominated for best cinemography by Rob Hodselmans and for best supporting role by Niels Gomperts.
Ruben also had minor roles in episodes of a few television series, such as Flikken Maastricht, the Dutch version of Computer Society of India: Crime Scene Investigation. Despite working as an actor in the past, he started a small film-production company with Barend van Balen in February 2011.