What is Boyko Borisov?
{{Infobox officeholder | name = Boyko Borisov | image = A23A2466 (48914164671) (cropped).jpg | office = [[Prime Minister of Bulgaria]] | term_start = 4 May 2017 | term_end = 12 May 2021 | president = [[Rumen Radev]] | deputy = [[Tomislav Donchev]]<br />[[Krasimir Karakachanov]]<br />[[Ekaterina Zaharieva]] | predecessor = [[Ognyan Gerdzhikov]] (acting) | successor = [[Stefan Yanev (general)|Stefan Yanev]] (acting) | term_start2 = 7 November 2014 | term_end2 = 27 January 2017 | president2 = [[Rosen Plevneliev]]<br />[[Rumen Radev]] | deputy2 = [[Simeon Dyankov]]<br />[[Tsvetan Tsvetanov]] | predecessor2 = [[Georgi Bliznashki]] (acting) | successor2 = [[Ognyan Gerdzhikov]] (acting) | term_start3 = 27 July 2009 | term_end3 = 13 March 2013 | president3 = [[Georgi Parvanov]]<br />[[Rosen Plevneliev]] | deputy3 = [[Simeon Dyankov]]<br />[[Tsvetan Tsvetanov]] | predecessor3 = [[Sergey Stanishev]] | successor3 = [[Marin Raykov]] (acting) | office4 = [[GERB|Chairman of GERB]] | term_start4 = 3 December 2006 | term_end4 = | predecessor4 = ''Position established'' | successor4 = | office5 = [[List of mayors of Sofia|Mayor of Sofia]] | term_start5 = 10 November 2005 | term_end5 = 27 July 2009 | predecessor5 = [[Stefan Sofiyanski]] | successor5 = [[Yordanka Fandakova]] | birth_date = {{Birth date and age|1959|06|13|df=y}} | birth_place = [[Bankya]], [[People's Republic of Bulgaria|Bulgaria]] | nationality = [[Bulgaria]]n | party = [[Bulgarian Communist Party|Communist Party]] (before 1990)<br />[[National Movement for Stability and Progress|National Movement Simeon II]] (2001–2005)<br />Independent (2005-2006)<br />[[GERB]] (2006–present) | spouse = Stela Borisova (divorced