Prime Minister Zoran Đinđić
2001-2003 Serbia
Prime Minister Zoran Živković
2003-2004 Serbia
Prime Minister Zoran Zaev
2017-2020; 2020-2022 North Macedonia
Chairman Zoran Tegeltija
2019-2023 Bosnia and Herzegovina
Prime Minister/President Zoran Milanović
2011-2016; 2020- Croatia