 In 2006, Pavlos' personal fortune was estimated to be €400 million euros, one half of the Giannakopoulos brothers' €800 million euros business empire.From 1987 to 2012, the Giannakopoulos brothers managed Panathinaikos B.C., Panathinaikos V.C., and all of the Panathinaikos club's amateur sports sections, from the athletics department to the water polo department.Thanasis was also the Chairman of the volleyball and amateur sections.