William Cecil, 1st Baron Burghley (13 September 1520 – 4 August 1598), was an English statesman, the chief adviser and good friend of Queen Elizabeth I for most of her reign (1558-1603), twice Secretary of State (1550–1553 and 1558–1572) and Lord High Treasurer from 1572. He is best remembered as a very nimble politician, actively pursuing the best interests of the State, and capable of compromising ethical concerns where needed.