Career
He is a 2.02 m (6 ft 7½ in) tall small forward–power forward. Athanasoulas began his pro career with the Greek 1st Division club AEK Athens in 2005. In 2007, he moved to the Greek club Ilysiakos, which was playing in the Greek 2nd Division at the time.
In 2011, he joined the Greek club Panionios.
He moved to Panelefsiniakos in 2014. With the junior national teams of Greece, he played at the 2003 International Basketball Federation Europe Under-16 Championship, and the 2007 International Basketball Federation Europe Under-20 Championship.