Dag B. Sørsdahl is the Group CEO of Aller Media AS . He is one of the most central strategists in the Norwegian magazine market. The group publishes Dagbladet. After completing his education, Sørsdahl started his career at Aftenposten from 1989 to 1995, first as a technical production manager and then as finance manager in the editorial office. He then joined Schibsted with responsibility for the film and television business from 1995 to 2000. For 14 years, Dag worked with fund and company investment. Among other things, he was an adviser at Carnegie from 2000 to 2002, from 2004 to 2009, investment director at Kistefos Investment. From 2009 to 2013, he was a partner in Borea Opportunity. Sørsdahl, born in 1963, has a degree in economics from Lund University in Sweden. He has also studied management and economics at Harvard Business School in the United States.