Tun Dr. Mahathir was born on 20 Disember 1925. The son of Mohamad bin Iskandar and Wan Tempawan binti Wan Hanafi. He was born at the address 18, Lorong Kilang Ais, near by Jalan Pegawai,Seberang Perak Alor Star, Kedah. He is the youngest brother among nine siblings. Tun Dr. Mahathir was starting his education in Sekolah Melayu Seberang Perak on 1930 for two years. Then he further his studies to secondary school in Government English School, Alor Star that known as Kolej Sultan Abdul Hamid. He finish his studies there with the succeed result in Senior Cambridge. In 1947, he gained admission into the King Edward VII College of Medicine in Singapore.Upon graduation, he joined the Malaysian government service as a Medical Officer. He left in 1957 to set up his own practice in Alor Setar.
Dr. Mahathir is married to a doctor, Tun Dr. Siti Hasmah bt Mohd Ali, and they have seven children Marina, Mirzan, Melinda, Mokhzani, Mukhriz, Maizura, and Mazhar. Tun Dr. Mahathir is very discipline person and has read many books. His moto is, learning is the process for the whole of life.
Dr. Mahathir has been active in politics since 1945. He has been a member of the United Malays National Organisation (UMNO) since its inception in 1946.He was first elected as a Member of Parliament following the General Elections in 1964. However, he lost his seat in the subsequent General Election in 1969.Owing to his keen interest in the country's education, he was appointed Chairman of the first Higher Education Council in 1968, Member of the Higher Education Advisory Council in 1972, Member of the University Court and University of Malaya Council, and Chairman of the National University Council in 1974.In 1973, Dr. Mahathir was appointed a Senator. He relinquished this post in order to contest in the 1974 General Elections where he was returned unopposed. Following the elections, Dr. Mahathir was appointed the Minister of Education.
In 1976, Dr. Mahathir was made Deputy Prime Minister in addition to his Education portfolio. In a Cabinet reshuffle two years later, he relinquished the Education portfolio for that of Trade and Industry. As Minister of Trade and Industry, he led several investment promotion missions overseas.
Dr. Mahathir was elected as one of the three Vice Presidents of UMNO in 1975. In 1978, he won the Deputy President seat and in 1981, he was appointed President of the party. He was returned unopposed as President in 1984.
In the 1987 party elections, Dr. Mahathir defeated his challenger to retain the Presidency and in 1990 and 1993, he was again returned unopposed as party President. Under his leadership, the ruling party Barisan Nasional (National Front) won landslide victories in the 1982, 1986, 1990, 1995 and 1999 General Elections.