Sergei Stanishev
Prime Minister of the Republic of Bulgaria (2005-2009), President of PES (2011-2022), Member of the European Parliament (since 2014)
Sergei Stanishev was the President of the Party of European socialists between 2011 and 2022. Member of the European Parliament since 2014, he served as Prime Minister of Bulgaria between 2005 and 2009, and Leader of the Bulgarian Socialist Party (BSP) between 2001 and 2014. He was Member of Parliament in Bulgaria from 2001 to 2014.
During his term as Prime Minister, Bulgaria joined the European Union in 2007. Led by Stanishev, the BSP won the general elections in 2005 and the presidential elections in 2006, and led two coalition governments in 2005-2009 and 2013-2014.