Siniša Hajdaš Dončić

Siniša Hajdaš Dončić
Hajdaš Dončić in 2016
President of the Social Democratic Party
Assumed office
21 September 2024
Preceded byPeđa Grbin
Leader of the Opposition
Assumed office
21 September 2024
Prime MinisterAndrej Plenković
Preceded byPeđa Grbin
Ministerial offices
Minister of Maritime Affairs, Transport and Infrastructure
In office
4 April 2012  22 January 2016
Prime MinisterZoran Milanović
Preceded byZlatko Komadina
Succeeded byOleg Butković
Additional positions
Prefect of the Krapina-Zagorje County
In office
8 June 2009  18 April 2012
Preceded bySonja Borovčak
Succeeded byŽeljko Kolar
Personal details
Born (1974-06-29) 29 June 1974
Zabok, SR Croatia, SFR Yugoslavia
Political partySocial Democratic Party (2005–present)
Alma materUniversity of Zagreb
University of Split

Siniša Hajdaš Dončić ( Hajdaš; born 29 June 1974) is a Croatian politician serving as president of the center-left Social Democratic Party (SDP), and as Leader of the Opposition, since September 2024.

He previously served as Minister of Maritime Affairs, Transport and Infrastructure from 2012 to 2016 in the Cabinet of Zoran Milanović. Before that, he served as Prefect of the Krapina-Zagorje County in northern Croatia from 2009 to 2012.