Child of a poor family, with an Asia Minor refugee father and mother from Mani, he met and experienced the German Occupation and its aftermath at a tender age.
The experienced eye of the then coach of the men's team, Jack Beby, immediately recognized the talent, ability and scoring fluency of the diminutive striker and with appropriate advice and guidance helped his development and establishment as a left winger where he flourished during the rich of his career acquiring the nickname "the Arrow" (Greek: "Το Βέλος").
[3] On 3 December 1967 in a 4–1 away victory over Olympiacos, his ultimately fruitless attempt to "admonish" in the middle of the match the then young and hyperbole Spyros Pomonis, in order to simplify his way of playing for AEK to reach an even wider dominance, instead of his insistence on ridiculing the personal opponent, Orestis Pavlidis.
Pomonis finally insisted on humiliating his opponent at all costs, AEK missed the opportunity for a mammoth score against the red and whites and Pavlidis took the decision that the role of referee suited him better, by retiring as a footballer.
The following season, he claimed the promotion to the first division, which he did not secure in the end, as he was defeated by Rodos of Michalis Bellis in a draw, at the stadium of Heraklion, with 1–0 loss in at the extra time.
[13] In 28 February 2024 at Agia Sophia Stadium, before the match of AEK against PAS Giannina, he was honoured with the "golden double-headed eagle" by Dimitris Melissanidis for his services to the club.
[16][17] Fast and with excellent technical training, competing close to the touchline, Stamatiadis had the ability to converge and sometimes threaten the opposition goal with thunderous shots.
He was also the assist man of AEK Athens, as many goals that were scored by team stars such as Mimis Papaioannou, Kostas Nestoridis, Miltos Papapostolou and Giannis Marditsis, came from his feet.
A rare leadership figure and an example of calmness and logic in adverse circumstances, he inspired confidence in his teammates and at the same time enjoyed the universal respect of his opponents.