Fragiskos "Frankie" Alvertis is a Greek former professional basketball player and general manager of Panathinaikos Athens. As a player, he was the long-time captain of Panathinaikos, where he spent his whole professional career. In 1990, Alvertis joined Panathinaikos, after moving to the club from Glyfada. Alvertis is first on the list of the EuroLeague championships won by a player, with five, since the competition went to the Final Four format, beginning with the 1987–88 season. The former Italian player Dino Meneghin, is first overall, with seven EuroLeague championships won, when including all formats of the competition, dating back to the competition's inaugural 1958 season.

Panathinaikos B.C., also known simply as Panathinaikos, currently also known as Panathinaikos AKTOR Athens for sponsorship reasons, is the professional basketball team of the major Athens-based multi-sport club Panathinaikos A.O. It is owned by the billionaire Giannakopoulos family.