Nicholas William Peter '' `` Nick '' Clegg ( born 7 January 1967 in Chalfont St. Giles , Buckinghamshire , England ) is a British politician and the Deputy Prime Minister of the United Kingdom in the Conservative-Liberal Democrat coalition government and is also the leader of the Liberal Democrats . Nicholas William Peter `` Nick '' Clegg ( born 7 January 1967 ) is a British Liberal Democrat politician who is the Deputy Prime Minister of the United Kingdom , Lord President of the Council and Minister for Constitutional and Political Reform in the coalition government of Conservative Prime Minister David Cameron .