Professional activity Throughout his career he has directed over fifty plays. Also has also made a stage director of opera productions how La Traviata or Un ballo in maschera by Giuseppe Verdi, Giacomo Puccini’s Madama Butterfly and L’Elisir d’amore by Gaetano Donizetti. Not forgetting his facet as an actor in over thirty films, worked under the direction of Jaime Camino, Vicente Aranda, Bigas Luna, Luis Garcia Berlanga, Felix Rotaeta, Ventura Pons and Josep Maria Forn. Likewise also highlights throughout his career his work as a doubler, I feel the regular voice actors like Ben Kingsley, John Malkovich and Geoffrey Rush. In 1996 he was awarded the National Theater of Catalonia, awarded by the Generalitat of Catalonia, for his theatrical Sweeney Todd. In 1998 he was awarded the City of Barcelona for the Performing Arts for their mounts Guys and Dolls and The Queen of Leenane bellesa, and in 1999 with the Award for Outstanding Directorial Chair theatrical bellesa The Queen of Leenane.Since 2004 he is director of the Spanish Theater of Madrid, municipally owned. In September 2006 he became embroiled in a controversy orchestrated by political and journalistic fields right on schedule Lorca eran todos de Pepe Rubianes, on the poet and playwright Federico Garc a Lorca, in a cycle of homage to the poet from Granada, in Spanish. The work was finally withdrawn by the very Rubianes ( “I will not hurt Mario”), but not before Mario Gas resign consider the facts, resignation which finally took place. Gas was supported by the world of culture. In the summer of 2009 was (ex aequo with the low Italian Roberto Scandiuzzi) in Santander on the Prize II Barraca 2008, Activities Arts, granted by Universidad Internacional Menendez Pelayo (UIMP).