As an exchange student, he spent a year in Texas, USA, where he came into contact with the job profile journalism[clarification needed] on a high school course.
He studied Journalism and Political Science at the Technical University of Dortmund and completed an internship at the Westdeutsche Allgemeine Zeitung in Essen.
In 2007 he received his doctorate with a dissertation on "Discursive Journalism" at the faculty of cultural studies at the University of Dortmund.
From 2000 to 2005 Brosda worked in various positions as a press officer, editor, speechwriter and policy speaker at the Party Executive of the SPD in Berlin.
From 2005 to 2009, he was in charge of the Speech, Lectures and Analysis Unit at the Federal Ministry of Labour and Social Affairs (BMAS) and from 2008 was also deputy head of the Management and Planning Staff.