 In 1984, Jochen Kowalski made his debut with the State Opera of Hamburg singing the role of Daniel in G.F. Handel’s oratorio "Belshazzar" in Harry Kupfer’s staged realization under the musical direction of Gerd Albrecht.Since then he has been under contract at the State Opera, where he has also distinguished himself in many solo concerts.In 1987 and 1988, Kowalski appeared at the Netherlands Opera in Amsterdam and the Grand Opera in Paris.