Mahathir bin Mohamad is a Malaysian politician, author, and physician who served as the 4th and 7th Prime Minister of Malaysia. He held the office from July 1981 to October 2003 and later from May 2018 to March 2020 for a cumulative total of 24 years, making him the country's longest-serving prime minister. Before becoming premier, he served as Deputy Prime Minister and in other cabinet positions. He was a Member of Parliament for Langkawi from May 2018 to October 2022, Kubang Pasu from August 1974 to March 2004, and Kota Setar Selatan from April 1964 to May 1969. His political career has spanned more than 75 years, from joining protests opposing citizenship policies for non-Malays in the Malayan Union in the 1940s to forming the Gerakan Tanah Air coalition in 2022.