Complex sentence: Entering politics in 2009 she became the Minister of Regional Development to Rossen Plevneliev, When Pleneliev becomes President of the Republic of Bulgaria, he chose her for the position one of the Deputy Prime ministers from March to May in 2013.
Split into simpler sentences: Entering politics in 2009, she became the Minister of Regional Development to Rossen Plevneliev. When Plevneliev became President of the Republic of Bulgaria, he chose her for the position one of the Deputy Prime ministers from March to May in 2013.