Complex sentence: The current mayor is Per Ragnvald Berger (born 18 October 1952), representing "Høyre", the Conservatives Elected for 2011--2015, he is in for his fourth term and was first elected in 1999.
Split into simpler sentences: The current mayor is Per Ragnvald Berger (born 18 October 1952), representing "Høyre", the Conservatives, reelected for 2011--2015. Berger is in for his fourth term and was first elected in 1999.