Warren was born in LA, California. His father is a Norwegian immigrant and his mother is a Swedish immigrant. Received a bachelor's degree (19 12) and a law degree (19 14) from the University of California, Berkeley. After graduating from law school, Warren worked in a private law firm for five years.

1942, Warren was elected governor of California as a Republican, and was re-elected twice in 1946 and 1950. When he was governor, he supported the Japanese who were imprisoned in the United States and Japan during World War II. He did very well economically, laid the foundation for the prosperity of nearly 20 years after World War II until the mid-Kloc-0/960 s, built a prestigious public university system for California, and provided high-quality and low-cost higher education for two generations of Californians. Warren participated in the US presidential election as a vice presidential candidate and thomas dewey 1948, but was defeated by Truman by a narrow margin.

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1953, President Eisenhower nominated Warren as the Chief Justice of the Supreme Court. To many people's surprise, Warren was more liberal than expected, so that President Eisenhower considered the nomination of Warren "the stupidest mistake he made in his life". During Warren's tenure as Chief Justice, the Supreme Court of the United States made a series of landmark judgments, including 1954 Brown v. Board of Education (ruling that racial segregation in public schools was unconstitutional) and 1962 to 1964 Baker v. Carl (greatly improving the voting weight of voters in urban constituencies, relatively equal, emphasizing the value of votes in various electoral districts. Hernandez v. Texas (ruling that mexican american has the right to participate in the jury), 1964 The New York Times v. Sullivan (establishing the principle of truth and malice in the case of defaming public figures) and 1966 Miranda v. Arizona (requiring the parties in police custody to inform them of certain rights, including the right to hire a lawyer) are often called Miranda warnings.

After Kennedy's assassination, Warren served as the chairman of the investigation Committee, also known as the Warren Committee. After the investigation, the Committee concluded (Warren report) that the assassination was purely a personal act.

1969, Warren retired from the Supreme Court.