Michael Charles Chilufya Sata was a Zambian politician who was the fifth president of Zambia, from 23 September 2011 until his death on 28 October 2014. A social democrat, he led the Patriotic Front (PF), a major political party in Zambia. Under President Frederick Chiluba, Sata was a minister during the 1990s as part of the Movement for Multiparty Democracy (MMD) government. He went into opposition in 2001, forming the PF. As an opposition leader, Sata – popularly known as "The King Cobra" emerged as the leading opposition presidential contender and rival to President Levy Mwanawasa in the 2006 presidential election, but was defeated. Following Mwanawasa's death, Sata ran again and lost to President Rupiah Banda in 2008.

The president of Zambia is the head of state and the head of government of Zambia. The office was first held by Kenneth Kaunda following independence in 1964. Since 1991, when Kaunda left the presidency, the office has been held by seven others: Frederick Chiluba, Levy Mwanawasa, Rupiah Banda, Michael Sata, Edgar Lungu and the current president Hakainde Hichilema, who won the 2021 presidential election. In addition, acting president Guy Scott served in an interim capacity after the death of President Michael Sata.