David William Donald Cameron, Baron Cameron of Chipping Norton, PC is a British politician who served as Prime Minister of the United Kingdom from 2010 to 2016 and latterly as Foreign Secretary under Rishi Sunak from November 2023 to July 2024. Cameron was Leader of the Conservative Party from 2005 to 2016. He was Leader of the Opposition from 2005 to 2010 and Member of Parliament (MP) for Witney from 2001 to 2016.