Galatasaray Sportif Sinai Ve Ticari Yatirimlar AS engages in the management of all media broadcasting, advertising, sponsorship, and naming rights of Galatasaray Football Team. It also involves in the advertising royalty and broadcasting rights revenues, with football activities such as box office revenues, football player transfers income/expenses, and salaries within the body of GS Sportif AS. The company was founded by Selahattin Bey Azit, Ali Baki Uras, Ali Tanriyar, Osman Alp Yalaman, Faruk Erol, Suren Sahabettin Sefketli Kocatopçu, and Esfak Aykac on November 26, 1997 and is headquartered in Istanbul, Turkey.