 In 2005, he was elected the minority leader of Parliament and remained in that position until his election to the presidency in 2007.In the 2007 presidential election run-off, Koroma received 30.6% of the vote and defeated incumbent Vice-President Solomon Berewa of the ruling SLPP.Berewa conceded defeat, and Koroma was sworn in as President on 17 September 2007, at the State House in the capital Freetown.