He currently performs the functions of the President Water Polo Club Partizan and President of the Sports Federation of Serbia.
Early life
Šoštar was born in Niš to Croatian father Stjepan Šoštar and Serbian mother.[3] His father who hails from the town of Ivanec moved to Belgrade during the late 1950s as an employee of the Yugoslav People's Army (JNA) where he remained living after marrying a woman from Niš and starting a family.[3] Though the family lived in Belgrade, Aleksandar was born in Niš due to his mother visiting her relatives at the time.[3]