[1] Aron played his first game for FH only aged 15 years old against ÍBV in March 2006.

FH won the game 30–28 and the young player managed to score one goal.

He was also selected in the Iceland men's national handball team.

He gained attention while playing for FH before he transferred to German club THW Kiel.

He played a major part in the Iceland squad that earned the bronze medal at the 2010 European championship in Austria.