In addition to his studies, he completed a journalistic training at the Journalist Academy „Jona“. He worked as an intern at the „Staatsanzeiger“ in Stuttgart, the news agency „DDP“ in Berlin, the broadcaster „NDR“ in Osnabrück and the „ZDF Hauptstadtstudio“. He has been working as a freelance journalist since 2005. He was a trainee at Cologne-based public broadcaster „WDR“, and during his traineeship he has worked at „Tagesschau“, „Monitor“ and in „television entertainment“. Afterwards he was part of WDR’s „Strategy and Innovation Management“ task force.
Since 2015 he is one of the founders of „Contentflow“. The media startup develops software for video live streaming. In 2017 the „Next Media Accelerator“ invested in the startup. Gregor has been COO of the company since 2017.
He is one of the co-founders and shareholders of the „Academy for New Journalism“ and editor of „Debatare“, a print and online magazine for political debates, which won the „European Newspaper Award“ in 2013.
Articles have already been published in the following media: SWR, WDR, Deutschlandfunk, Zeit Online, Neue Zürcher Zeitung (NZZ), Stuttgarter Nachrichten, Reutlinger Generalanzeiger, Staatsanzeiger, Lebensmittelzeitung, YAEZ, Financial Times, Rheinischer Merkur.
Some of his topics: Politics and Speeches, political communication, communication in the digital age, live-journalism, debates, rhetoric
German Journalists Association (DJV), „Nachwuchsnetzwerk politische Kommunikation (NapoKo)“, Debate Club „Streitkultur“, German Debating Society (DDG), Member of the German Red Cross and the German-Polish „Quiritenkreis“