frydenlund was formerly head of the student parliament of the university of oslo (1998) and policy advisor for former rector (vice chancellor) kaare r. norum at the university of oslo (2000-2001). he has been working as an advisor at the ministry of education and research (2004), as book review editor at historisk tidsskrift (norway) (2005-2009), and as board member of the university of oslo (2010-2012). in 2009 he published the biography of norway's first prime minister peder anker. frydenlund is currently chairman of abm-media as (the media house for the archive, library and museum's sector in norway).