Klas Granström currently serves as Editor in Chief and Publisher at Expressen, a position held since March 2014, while also leading the business area as Head of Business Area Expressen for Bonnier News since November 2020. Granström has held various editorial roles, including News Editor and Managing Editor at Dagens industri from September 2007 to March 2014, and Editor at Svenska Dagbladet from February 2005 to September 2007. Additional board memberships include Tidsam AB, Swedcirc, Bonnier Publications A/S, and Marieberg Media. Granström's career began as an Editor at International Data Group Sweden from January 1998 to June 2001, and education was completed at Mälardalen University from 1996 to 1998.