[1] He took his first singing lessons from his grandmother, Kammersängerin Ruthilde Boesch, and later studied lied and oratorio at the Musikhochschule Wien with Robert Holl from 1997.

[7] As a concert singer, he has appeared several times with Nikolaus Harnoncourt, including on a tour of Japan, in Vienna, with the Berlin Philharmonie and in Salzburg.

He sang the bass solos in Schumann's Paradise and the Peri with the Vienna Philharmonic conducted by Simon Rattle, in Bach's St Matthew Passion and St John Passion at the Concertgebouw in Amsterdam, in Kurt Weill's Berliner Requiem with the Orchestre Philharmonique de Radio France, and in Mendelssohn's Elijah, conducted by both Paul McCreesh and Ivor Bolton.

In 2012 and 2013, he appeared at the Ouverture spirituelle [de]: in 2012, in Mozart's Missa longa in C major, K. 262, at the Salzburg Cathedral, in 2013 in Haydn's Die Schöpfung and Die Jahreszeiten with Harnoncourt,[6] as well as in Mozart's Great Mass in C minor at the Stiftskirche St. Peter [de] with the Simón Bolívar Symphony Orchestra of Venezuela conducted by Gustavo Dudamel.

[9] At the Theater an der Wien he sang in Handel's Messiah in spring 2009 and in Schubert's Lazarus in autumn 2013 – both in staged versions by Claus Guth.