Panathinaikos OPAP announces the extension of it’s cooperation with Giorgos Kalaitzakis until 2022.
Georgios Kalaitzakis who was born in January 2, 1999 is a 2.03 m tall, combo guard.
After playing with the junior youth clubs of Aris, Kalaitzakis began his professional career in 2016, with the Greek club Panathinaikos. With Panathinaikos, he won the Greek Cup title in 2016, 2017, and 2019, and also the Greek League championship, in 2017, 2018, and 2019.
In March 2018, Kalaitzakis announced his intention to declare for the 2018 NBA draft. He later withdrew from the draft before the draft's withdrawal deadline.
On August 28, 2019, he signed with Nevezis Kedainiai of the Lithuanian Basketball League, on a loan deal from Panathinaikos. In 23 games played in the Lithuanian League's 2019–20 season, he averaged 12.2 points, 4.3 rebounds, 2.3 assists, and 1.0 steals per game, in 28.7 minutes per game.
In April 2020, Kalaitzakis declared for the 2020 NBA draft.
Kalaitzakis has been a member of the junior national teams of Greece. With Greece's junior national teams, he played at the 2015 FIBA Europe Under-16 Championship, the 2016 FIBA Europe Under-18 Championship, and the 2017 FIBA Europe Under-18 Championship. He also played at the 2018 FIBA Europe Under-20 Championship, and the 2019 FIBA Europe Under-20 Championship, which he led in scoring, with an average of 19.7 points per game.