German operatic tenor and academic voice teacher. He is known internationally, both as an opera singer especially in Mozart roles such as Belmonte, Don Ottavio and Tamino, and as a concert and recital singer, with a focus on works by Johann Sebastian Bach. He has appeared at major opera houses and festivals, including the Glyndebourne Festival and the Salzburg Festival, and made many recordings, including rarely performed works such as Korngold's Violanta
