Michael Keith Deaver (1938–2007) was a prominent American political strategist and advisor, best known for his close association with Ronald Reagan. Born in Bakersfield, California, to a family with ties to the oil industry—his father was a Chevron executive—Deaver grew up in a Republican-leaning environment in California's Central Valley. He entered politics in the early 1960s, serving on the Republican Central Committee in Santa Clara County from 1962 to 1966. Deaver's career took off when he joined Ronald Reagan's gubernatorial administration in 1967 as an assistant, becoming a key aide during Reagan's time as Governor of California (1967–1975). His role involved managing communications and strategy, establishing him as one of Reagan's most trusted confidants, alongside a personal friendship with Nancy Reagan.

In 1981, Deaver followed Reagan to Washington, D.C., serving as Deputy White House Chief of Staff under James Baker III and later Donald Regan until May 1985. As a master of image-making, Deaver orchestrated Reagan's public appearances, earning credit for shaping the 'Great Communicator' persona that defined the president's popularity. He was instrumental in Reagan's 1980 and 1984 campaigns, focusing on media strategy and optics. Deaver's influence extended to policy through his proximity to the First Family, though he avoided formal policymaking roles.

After leaving the White House, Deaver founded the lobbying firm Michael K. Deaver and Associates. However, his post-administration activities led to controversy; in 1985, the General Accounting Office investigated him for allegedly violating federal ethics laws by lobbying former colleagues too soon after his departure. In 1988, Deaver was convicted of perjury for lying to a congressional subcommittee and grand jury about his lobbying contacts, receiving a suspended sentence, fine, and probation. He later worked as a consultant and commentator. Deaver died of pancreatic cancer on August 18, 2007, at age 69, leaving a legacy as a pivotal figure in Reagan-era politics amid ethical scandals.