After completing his Masters degree Thomas moved to Paris, France where he trained at the Ecole Philippe Gaulier, a world-famous theatre and clown school. He completed his theatrical training in June 2012. Thomas is a co-creator of the theatre company „Ship of Fools“. Based in London, their most recent production, 'From the Cradle to the Bin', enjoyed a successful tour throughout the United Kingdom in 2014 and 2015. In 2013 Thomas was invited to Geneva to act in 'Albahaca', a production of the "Theatre Spiralé Company". In April 2014, Thomas made his film debut in an Austrian feature titled 'Blockbuster' which premiered in June 2015.

In 2022 he produced, wrote, directed and plays in his first own Bouffon Theatre show “Ein bescheidenerer Vorschlag” which premiered at the TAG Theater in Vienna in March 2022 and won the austrian theatre price “Nestroy” in the categroy “Best alternative Production”.