Thomas Guggeis caused an international sensation in March 2018 when he stepped in at short notice for the premiere of "Salome" at the Berlin State Opera and was subsequently appointed Staatskapellmeister from the 2019/20 season. Trained in Munich and Milan, the conductor initially went to the Stuttgart State Opera as Kapellmeister from 2018 to 2020 after assisting at the Berlin State Opera, where he conducted such works as "La Bohème", "Il barbiere di Siviglia", "Madama Butterfly", "Der Prinz von Homburg" and "Der Freischütz". Beginning in fall 2019, as Staatskapellmeister in Berlin, he conducted "Der Ring des Nibelungen", "Samson et Dalila", "Katja Kabanová", "La Traviata", "Die Zauberflöte", "Lohengrin", "Ariadne auf Naxos", "Hänsel und Gretel", "Don Giovanni", "Elektra", "Falstaff" and "Die lustigen Weiber von Windsor", in addition to a new production of Daphne. Meanwhile, Thomas Guggeis is a regular guest at the Vienna State Opera.
There he was engaged for "Die tote Stadt", "Salome", "La Traviata" and "Ariadne auf Naxos2. In May 2023 he made his debut at the Metropolitan Opera and immediately thereafter at the Santa Fe Festival - in each case with the "Fliegender Holländer". In demand as a concert conductor, he has already appeared with major orchestras such as the Vienna Philharmonic, the Dresden and Berlin State Orchestras, the Munich Philharmonic, the Vienna Symphony, the Orchestre de Paris, the Orchestre National du Capitole de Toulouse, the Orchestra Sinfonica di Milano, the Orchestra Sinfonica Nazionale della RAI and the Swedish Radio Orchestra.