Sergei Stanishev, Bulgarian politician, 46th Prime Minister of Bulgaria

Sergey Dmitrievich Stanishev is a Bulgarian politician who served Prime Minister of Bulgaria from 2005 to 2009. A member of the Socialist Party, which he led from 2001 to 2014, he later served as Member of the European Parliament from 2014 to 2024. Stanishev was also the President of the European Socialists from 2011 to 2022 and a Member of the National Assembly from 1997 to 2005 and from 2009 to 2014.

The Prime Minister of Bulgaria is the head of government of Bulgaria. They are oftentimes the leader of a political coalition in the Bulgarian parliament, known as the National Assembly, and the leader of the cabinet. At times, the Prime Minister has been appointed by the President of Bulgaria, in order to lead a caretaker government. The current Prime Minister is Rosen Zhelyazkov, who has served since 16 January 2025.

May 5 is the 125th day of the year in the Gregorian calendar; 240 days remain until the end of the year.