Elio Di Rupo ( born 18 July 1951) is a Belgian social-democratic politician who served as the 50th Prime Minister of Belgium from 6 December 2011 to 11 October 2014, and headed the Di Rupo Government. Di Rupo was the first francophone to hold the office since Paul Vanden Boeynants in 1979, and the country's first socialist Prime Minister since Edmond Leburton left office in 1974. He was also Belgium's first Prime Minister of non-Belgian descent, and the world's second openly gay head of government in modern times.