Changing of the guard After British Prime Minister David Cameron tends his resignation to the Queen, Theresa May, home secretary since 2010, will lead the Conservative government in a post-Brexit world OUTGOING: David Cameron, 49 Oct 9, 1966: Born in London. Father is a stockbroker, mother a retired justice of the peace Education: Reads Philosophy, Politics and Economics at Oxford Early career, 1988-93: Conservative Research Department, briefing senior government figures 1994-2001: Director of Corporate Affairs at Carlton Communications Political career: Becomes MP for Witney in 2001 2005: Becomes Conservative leader, succeeding Michael Howard 2010: Elected Prime Minister, leading coalition government with Liberal Democrats 2015: Returned for second term after Conservatives win surprise election victory 2016: Backs Remain campaign in referendum on leaving European Union. Resigns after Leave campaign wins INCOMING: Theresa May, 59 Oct 1,1956: Born in Eastbourne. Daughter of Anglican priest. Both parents die before May is 25 Education: Reads Geography at Oxford Early career, 1977-83: Financial consultant at Bank of England 1985-97: Association for Payment Clearing Services, helping prepare for rollout of Euro currency Political career: Elected MP for Maidenhead in 1997 2009-10: Shadow Work and Pensions Secretary 2010: Appointed Home Secretary and Minister for Women and Equalities, giving up latter in 2012 2015: Pursues reform of police, taking hard line on drug policy and immigration 2016: Backs Remain campaign in Brexit referendum. Becomes Conservative Party leader and Prime Minister Sources: Wire agencies, British Government Pictures: Getty Images