Born in Klagenfurt, stage designer Thomas Stingl began his career as a prop master at the production company Starfilm and from 2004 was assistant stage designer at the Stadttheater Klagenfurt. In 2008 and 2010 he was engaged at the Mörbisch Lake Festival as assistant director for the operettas "Im weißen Rössl" by Ralph Benatzky and "Der Zarewitsch" by Franz Lehár. For the world premiere of "Im Garten des Eiffelturms" as well as for productions of the youth theatre club of the Stadttheater Klagenfurt "Durch die Blume" and "Unterm Herzen" he presented his first own stage design works. Since the 2011/12 season, Thomas Stingl has been head of stage and props design at the Stadttheater Klagenfurt, where he also designed stage sets for "Der Mann von La Mancha" by Walter Leigh and "Jakob Lenz" by Wolfgang Rihm, among others. He was also responsible for the stage design for Wolfgang Böhmer's musical "Blutiger Honig", Mozart's "Idomeneo" and Wolfgang Rihm's "Jakob Lenz" at the Stadttheater Klagenfurt and in 2013 for the musical comedy "Xanadu" at the Stadttheater Baden near Vienna. At the Gärtnerplatztheater he created the stage design for Mitch Leigh's "The Man of La Mancha" in 2022.
At the Deutsche Oper am Rhein, Thomas Stingl's stage design for Moritz Eggert's "Iwein Löwenritter" can be seen, directed by Aron Stiehl.