Mohammad Najib bin Tun Haji Abdul Razak is a Malaysian politician who served as the 6th Prime Minister of Malaysia from 2009 to 2018. He was the former President of the United Malays National Organisation (UMNO), the leading party in Malaysia's Barisan Nasional (BN) coalition, which maintained control of Malaysia's government as a parliamentary majority for more than sixty years until the coalition's defeat in the 2018 general election.