
Espen Berntsen made his debut as a referee in 1990. He became a 'Tippeligaen'-official in 1997 and a FIFA-official in 2002. Since then he has been officiating UEFA Cup matches, qualifiers for the Champions League.
category
Espen Berntsen was a UEFA category 2 referee, demoted to 3 in 2011, but then the category was recategorized and now he is in the 2nd category again.