Aron embarked on his handball career at an early age, making his debut for FH at just 15 years old in a match against ÍBV in March 2006. Since the beginning, his journey in the international handball arena has been marked by remarkable success.
In 2009, Aron joined Kiel, Germany, where he played for six years. Following his tenure in Kiel, he continued to elevate his game at Telekom Veszprém in Hungary for two years. Subsequently, Aron joined FC Barcelona, leaving an indelible mark during his four years there. His skills led him to Denmark, where he contributed to Aalborg Håndbol.
In 2023 Aron returned to his roots in Hafnarfjörður, Iceland, where he currently plays with FH.
Throughout his career, Aron has achieved numerous titles with each team he played for. His personal achievements include:
- Selected as the Rookie of the Year in Bundesliga 2010.
- Inclusion in the Olympic Games All-Star Team in 2012.
- Honored as the Sportsperson of the Yens League Final-Four in 2014.
- Awarded the prestigious FH Gold Badge in Iceland in 2012.
- Named the MVP of the Champions League
Aron's journey stands as a testament to his exceptional talent and enduring commitment to the sport of handball, earning him recognition and admiration both nationally and internationally.