Mikkel ChristoffersenMikkel Christoffersen is a Danish former professional footballer who played as a centre-back.CareerChristoffersen played in the Danish Superliga for Herfølge Boldklub in 2006, and later also made 21 appearances for HB Køge at the highest level in the 2009–10 season. His contract with Køge was not renewed in 2010, and he went on trial at AB and Lyngby. However, he instead started higher education and signed for Denmark Series club Fremad Amager. He served as team captain before leaving in 2013.RetirementIn 2018, he became principal at Brøndby Idrætsefterskole, a boarding school for lower secondary students with a focus on physical education.