Complex sentence: She served as party secretary of the Social Democrats from March 2011 until her resignation in August 2016 and previously served as Minister for International Development Cooperation in the Swedish Government between 2003 and 2006.
Split into simpler sentences: She served as party secretary of the Social Democrats from March 2011 until her resignation in August 2016. She was Minister for International Development Cooperation in the Swedish Government between 2003 and 2006.