David Cameron: Vying for a second term as Prime Minister
David Cameron has led the UK as Prime Minister since joining forces with the Liberal Democrats in a formal coalition in 2010.
He is hoping to secure a second term in office in May - so here's what you need to know:
Age: 48
Job: Prime Minister, leader of the Conservative Party and was MP for Witney
Family: Married to Samantha, with three children, Nancy, Arthur and Florence. The couple's first child Ivan died in 2009
Background: Born in London in 1966, son of stockbroker Ian and Mary, a former Justice of the Peace
Education: Eton and Oxford, where he studied Philosophy, Politics and Economics
Became Prime Minister in: 2010 after agreeing a coalition deal with the Liberal Democrats - becomes youngest PM in almost 200 years
Party campaign video
Memorable moments as PM
Promises in/out referendum on Europe if Tories win the general election
MPs approve military action against Islamic State in Iraq
Becomes the subject of a viral meme when an image was posted to his Twitter account of him talking seriously to US President Barack Obama about the crisis in Ukraine, prompting a number of spoofs
Announces his "delight" as Scotland votes to reject independence
Becomes first Tory MP to send his children to a state secondary school
In pictures: