Jack Hamilton (Jake) Warren, OC (April 10, 1921 – April 1, 2008) was a diplomat, civil servant and banker. Jake Warren began his career with External Affairs in 1945 after serving in the Royal Canadian Navy during World War II, but served in civil service posts from the late 1950s to early 1970s: * Canadian representative to the General Agreement on Tariffs and Trade, 1960–64 * Deputy Minister, Department of Trade and Commerce 1958-60 and 1964–71 In 1982, he was made an Officer of the Order of Canada.