What is Sergey Stanishev?
{{Infobox officeholder | name = Sergey Stanishev<br>{{small|Сергей Станишев}} | honorific-suffix = [[Member of the European Parliament|MEP]] | image = Sergey Stanishev 2009 elections diff crop.jpg | office = President of the [[Party of European Socialists]] | term_start = 24 November 2011 | term_end = | predecessor = [[Poul Nyrup Rasmussen]] | successor = | office1 = [[Member of the European Parliament]]<br>for [[Bulgaria (European Parliament constituency)|Bulgaria]] | term_start1 = 1 July 2014 | term_end1 = | office2 = 49th [[Prime Minister of Bulgaria]] | president2 = [[Georgi Parvanov]] | deputy2 = [[Ivailo Kalfin]]<br>Meglena Plugchieva<br>Daniel Valchev<br>[[Emel Etem Toshkova]] | term_start2 = 17 August 2005 | term_end2 = 27 July 2009 | predecessor2 = [[Simeon Saxe-Coburg-Gotha|Simeon Sakskoburggotski]] | successor2 = [[Boyko Borisov]] | office3 = Leader of the [[Bulgarian Socialist Party|Socialist Party]] | term_start3 = 5 December 2001 | term_end3 = 27 July 2014 | predecessor3 = [[Georgi Parvanov]] | successor3 = [[Mihail Mikov]] | office4 = Member of the [[National Assembly (Bulgaria)|National Assembly]]<br>for [[Ruse, Bulgaria|Ruse]] | term_start4 = 19 April 1997 | term_end4 = 10 July 2014 | birth_name = Sergey Dmitrievich Stanishev | birth_date = {{birth date and age|1966|5|5|df=y}} | birth_place = [[Kherson]], [[Soviet Union]] (now [[Ukraine]]) | death_date = | death_place = | party = [[Bulgarian Communist Party]]<br>[[Bulgarian Socialist Party]] | otherparty = [[Party of European Socialists]]<br>[[Progressive Alliance of Socialists and Democrats]] | spouse = Monika Yosifova (2013–present) | children = 2 | education = [[Moscow State University]] }