He was born in Vienna on 27/3/1964. Son of baritone Heinz Holecek. First he studied at the Vienna Conservatory and then he continued his studies in Italy under Gino Bechi. He served consecutively on the staff of the Vienna Volksoper (1987-1990) and the Theater at Gärtnerplatz in Munich (1990-1992). In 1987 he participated in the first presentation in Austria of Rainer Maria Rilke's lyrical prose The Lay of the Love and Death of Cornet Christopher Rilke [Die Weise von Liebe und Tod des Cornets Christoph Rilke] by composer Udo Zimmermann. In 1992 he returned to Vienna. Since then, he has been appearing regularly at the Vienna Volksoper and Staatsoper. He has appeared in numeours venues including: Monte Carlo as Papageno [The Magic Flute/Die Zauberflöte] (1991), Santiago, Madrid, Paris, Turin as Gabriel von Eisenstein [The Bat/Die Fledermaus], at the Opéra national du Rhin as Dutchman [The Flying Dutchman/Der fliegende Holländer], in Düsseldorf, at the German Opera in Berlin, at the Grand Theater of Liceu, Barcelona, and at the Ludwigsburg Festival. He is particularly known as an interpreter of works by Mozart, such as in the title role of Don Giovanni and Figaro [The Marriage of Figaro /Le nozze di Figaro). He has also appeard as Don Fernando and Don Pizarro [Fidelio], Schaunard [La bohème], Escamillo [Carmen], Scarpia [Tosca], Michele [The Cloak/Il tabarro], John [Salome] and Harlequin [Ariadne on Naxos/Ariadne auf Naxos]. He often collaborates with orchestras in symphony concerts. He has recorded operas of Mozart and has participated in the video recordings of the works The Fairies [Die Feen] by Richard Wagner and Irrelohe by Franz Schreker. He appeared at the GNO once, interpreting the role of Figaro [The Marriage of Figaro] (Olympia Theater, 1998/99).