[3] He worked at a number of smaller German theatres including the Musiktheater im Revier in Gelsenkirchen, in Karlsruhe, Hanover, at Düsseldorf's Deutsche Oper am Rhein as First Kapellmeister and in Nürnberg as Generalmusikdirektor before returning to the Deutsche Oper Berlin in 1991 to conduct Wagner's Lohengrin.
[4] Thielemann remained with the company until 2004, when he resigned over conflicts regarding Berlin city funding between the Deutsche Oper and the Staatsoper Unter den Linden.
[6] In October 2009, the Sächsische Staatskapelle Dresden announced the appointment of Thielemann as its next chief conductor, effective with the 2012/13 season.
[9] In 2020, Thielemann was appointed honorary professor at the Carl Maria von Weber Academy of Music in Dresden.
[10] In May 2021, Barbara Klepsch, the Culture Minister of Saxony, announced that Thielemann is to conclude his tenure with the Staatskapelle Dresden at the close of his current contract, at the end of July 2024.
In January 2023, Thielemann stepped in as an emergency substitute conductor for Daniel Barenboim in a new production of Wagner's Der Ring des Nibelungen at the Staatsoper Unter den Linden.