He took part in an exchange of the Centre de formation des journalistes of Paris and between 1998 and 1999 in a semester program of the American University in Washington, D.C.[3] From 1992 to 1996, he worked as a news editor, live reporter and presenter for Radio Gong, followed by a stint at Bayern 3 from 1996 to 1999.
[5][6] In spring 2012, Gutjahr developed and hosted a social media TV format; called Rundshow, it ran from 14 May to 7 June 2012, with alternating co-hosts, including Daniel Fiene, Sascha Lobo and Sandra Riess.
[10] Gutjahr was a co-initiator of LobbyPlag, a web platform aimed at publicizing the influence of lobbyists on politicians in connection with the proposed EU Data Protection Regulation.
[11] The research results, which may prove among other things that parliamentarians have written off large parts of their bills from lobbies, made international headlines.
[12] On 14 July 2016 Gutjahr was on vacation in Nice, when the city was struck by a terrorist attack [13][14] He reported on Twitter and in the ARD night magazine (Nachtmagazin) and the Bayerischer Rundfunk.
[29] Jointly with Rundschau editorial director Peter Marten Gutjahr received the Ernst Schneider Award for Business Journalism in 2006.