The argentinean tenor was born in Buenos Aires and studies in his native land and in Vienna.

Made his opera debut at Teatro Argentino de La Plata in 1992 with Rossini's L'italiana in Algeri.Sung at Teatro Colon (Buenos Aires), Royal Opera House (London), Teatro alla Scala (Milano), Staatsoper Berlin, Teatro La Fenice (Venice), Opera di Roma, Theatre de Champs Ellisses (Paris), Opera Toulouse, Teatro San Carlo (Napoli), Vancouver Opera, Teatro Real (Madrid), Wiener Staatsoper (Vienna), Opera Lyon, Aalto Theater Essen, Oper Frankfurt, Teatro Carlo Felice (Genova), Staatsoper Hamburg, Deutsche Oper Berlin.

His opera repertoire includes works from Bellini, Verdi, Donizetti, Mozart, Gounod, Bach, Berlioz, Rossini, Breton, Poulenc.

Recorded operas from Donizetti, Rossini, Bellini and Breton in the UK, Germany, Spain and Italy.

Dario sung in two rock bands in Argentina on the 80's and is a huge fan of Ronnie James Dio ("my first teacher")
and Ian Gillian, and other singers like Bruce Dickinson, Jorn Lande, David Coverdale, Steve Walsh, Russell Allen.