Fragiskos "Frankie" Alvertis (alternate spelling: Fragkiskos, ; born June 11, 1974) 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. As a member of the Greens, he won eleven Greek League championships, five EuroLeague Championships, eight Greek Cup titles, and one FIBA Intercontinental Cup title. Alvertis is commonly referred to as one of the best pure shooters of European basketball during the 1990s decade, and the beginning of the new millennium. He won the Greek League Three-Point Shootout Contest three years in a row (1996 I, 1996 II, 1997), and he shot 41.0 percent from three-point range throughout his EuroLeague career. Alvertis played in the EuroLeague Final Four for the eight and final time in 2007. On February 3, 2008, Alvertis was chosen as one of the 50 Greatest EuroLeague Contributors, over the previous half-century by the EuroLeague Basketball Experts Committee, in recognition of his major contribution to Panathinaikos' rise on the European continental scene. Alvertis retired from playing professional club basketball, following the 2008–09 season. At the beginning of the 2009–10 season, his number 4 jersey was retired by the club. It was the first Panathinaikos basketball shirt number that the club had ever retired. The retired number 4 jersey was hung up in the rafters above the playing court of the Nikos Galis Olympic Indoor Hall, along with the club's trophy banners. He was inducted into the Greek Basket League Hall of Fame in 2022. Alvertis was a member of the Greece men's national basketball team, from 1995 to 2004. As a member of the Greece men's national team, he made it to the FIBA World Championship semifinals in 1998, and twice made it to the EuroBasket semifinals, in 1995 and 1997. Club career 1990–1996 Alvertis' eventful transfer to Panathinaikos from Glyfada, cost Panathinaikos' men's water polo department, as it included the trade of the Panathinaikos