Giannis Kalitzakis

His nickname was "The Ninja" due to his hard acrobatic tackles and very strong defensive style. He is currently the General manager at Panathinaikos B.

Kalitzakis started his career in Panelefsiniakos, where he played for three and a half seasons and after playing for another half season at Diagoras he signed for Panathinaikos. In the "greens" he quickly established himself as a key player and irreplaceable, he became especially loved by the world and did a lot important career for a whole decade, being also captain of the team, winning 4 championships, 6 Greek Cups and 3 Super cups, including 3 doubles. He participated in very important European nights for the club, including the course of the team to the semi-finals of the UEFA Champions League in 1996.

In the summer of 1997, he was released by Panathinaikos and the people of AEK Athens did not miss the opportunity to sign him. He had a pretty good presence for three years with many different partners by his side, without usually losing his place in the lineup. Despite this, he did not reach the standards of performance that he previously achieved at Panathinaikos. Kalitzakis and AEK won 1 cup in 2000. He left the team in 2000 following the decision of the coach, Giannis Pathiakakis. After AEK he played for one season at Ethnikos Asteras before ending his career.

Kalitzakis played for Greece from 16 December 1987 to 1999. He had 71 caps in total, including three appearances at the 1994 FIFA World Cup.

After the end of his career, he served as the head of Panelefsiniakos' academies and general captain of Paniliakos. In 2009 he returned to Panathinaikos as a member of the scouting department, a position he held for a year. In 2022 he became General manager of Panathinaikos B

Panathinaikos

• Alpha Ethniki: 1989–90, 1990–91, 1994–95, 1995–96
• Greek Cup: 1987–88, 1988–89, 1990–91, 1992–93, 1993–94, 1994–95
• Greek Super Cup: 1988, 1993, 1994

AEK Athens

• Greek Cup: 1999–2000