In June 2015 he became the Great Britain handball team's most-capped player, surpassing Mick Hegarty's long-standing record of 55 caps set in the 1980s.

After progressing through the ranks of the Danish youth club Handball Christopher was granted a move to Germany to play for TUSEM Essen.

He has since played for Aarhus GF Håndbold, RD Slovan, UMF Afturelding and Salford H.C. (Now known as Warrington Wolves) In May 2012 Christopher was selected for the London 2012 Summer Olympics.

In reality, winning against one of the world's top teams had always been an extremely tall order (despite running silver medallists Iceland very close until halftime) and the real purpose of the efforts of the squad was to build a base for handball to develop in the UK.

In this he and his teammates were successful, and handball remains a legacy sport of London 2012, recording significant, sustained expansion in the period since.