Tags: Prime Minister.
Stefan Antonov Sofiyanski (Bulgarian: Стефан Антонов Софиянски) (born November 7 1951 in Sofia) has been a leading member of the Union of Democratic Forces in Bulgaria. He served as interim Prime Minister in 1997 and was a three-term Mayor of Sofia.A statistics graduate from the Karl Marx Higher Institute of Economics Sofiyanski held a number of positions in the Ministry of Communications and Information during communist rule.