Career
He is 1.92 m (6"3¾") tall. He can play at both the point guard and shooting guard positions, but his primary position is point guard. His father, Antonios Stamatis, was also a professional basketball player.
In 2012, Stamatis played at the Jordan Brand Classic International game.
After playing basketball with the youth teams of AGOG Evriali, Stamatis began his pro career in 2013, with the Greek League club Panionios. In November 2015, Stamatis joined Nea Kifissia of the Greek Basket League.
With the junior national teams of Greece, he played at both the 2011 and 2012 International Basketball Federation Europe Under-16 Championships, and both the 2013 and 2014 International Basketball Federation Europe Under-18 Championships. He also played at the 2015 International Basketball Federation Under-19 World Championship and the 2015 International Basketball Federation Europe Under-20 Championship.