He writes about pop and theater, develops theater and film projects, moderates panels and curates conferences. He spent the 2000s in Zurich as an editor for print newspapers and TV stations. Since 2009, he has been living in Berlin, freelancing for print, radio and television. Over the past few years, he developed four theater plays and realized a documentary film. Together with the journalist Jens Balzer, Müller hosts the monthly “Popsalon” at the Deutsches Theater in Berlin. In January 2017 he curated, together with Sarah Harrison of Wikileaks and in cooperation with the Bundeszentrale für politische Bildung a three-day conference titled “Sensible Data: The Art of Surveillance” at the Münchner Kammerspiele. And in May 2018 his play “Die Akte Bern – Ein Theaterbericht zwischen Fichen und Facebook” premiered in Bern.