He has previously coached KFUM Oslo and Kolbotn in the Norwegian Premier League for women.
He started his career in the Norwegian amateur leagues with sides such as Lyn, Årvoll and Ready.
Eggen scored the equaliser against Morocco to secure a 2–2 draw for the Norwegians at the Stade de la Mosson, Montpellier in 1998.
Appears in Satyricon's DVD Roadkill Extravaganza, where he is visiting the band backstage, revealing himself as a fan of Norwegian black metal.
During a Pantera concert in Spain, Eggen joined the band on stage for 30 seconds and showed off headbanging and air guitar playing.