Career
Club Just before his 17th birthday,he scored the winning goal that gave PAOK the Super League U17 title. A year later, he broke Stefanos Athanasiadis goalscoring record in the U20s. He also celebrated another title with them.
His tally stopped at 25, as he then joined the senior team
On 13 February 2014 Koulouris made his debut with PAOK in the Greek Football Cup against Apollon Smyrni he managed to score two goals. An impressive start for one of Greece"s greatest talents.
During the 2013-2014 season he made his league debut against Asteras Tripoli. On summer 2015, he signed a year contract with Cypriot First Division club Anorthosis, on loan from PAOK. On 28 October 2015, the 19 years" old midfielder rediscovered his goalscoring touch in style as he scored six for Cypriot Cup in Anorthosis"s 9-0 hammering of Elpida Xylofagou F.C. giving also one assist, sending a clear messages in his coach André Paus.
He was named man of the match.