Mulayam Singh Yadav (born November 22, 1939, Saifai, Etawah district, Uttar Pradesh state, India—died October 10, 2022, Gurugram, Haryana) was an Indian politician and government official who founded and was the longtime leader of the Samajwadi (Socialist) Party (SP) of India. He served three times as chief minister of Uttar Pradesh state (1989–91, 1993–95, and 2003–07).