Thomas Mattsson is responsible editor of the Swedish Expressen media house. Previously, he held the positions of head of Expressen's digital media and formerly Managing Editor, News Editor, Head of the Stockholm edition, Head if the Business Section.

Expressen was awarded as "Newspaper of the Year" in 2016 and has 2.6 million readers per day in print and online. The paper ("Expressen") has two regional editions ("GT", "Kvallsposten") and the site ("Expressen.se") has several sub sites. Expressen TV is the Swedish affiliate to CNN.