Calvin Coolidge to work jointly with Edward T. Clark, a Massachusetts Republican organizer whom he retained from his vice-presidential staff, as Secretaries to the President (a position equivalent to the modern White House Chief of Staff). Perhaps the most powerful person in Coolidge's Cabinet was Secretary of the Treasury Andrew Mellon, who controlled the administration's financial policies and was regarded by many, including House Minority Leader John Nance Garner, as more powerful than Coolidge himself. Secretary of Commerce Herbert Hoover also held a prominent place in Coolidge's Cabinet, in part because Coolidge found value in Hoover's ability to win positive publicity with
John Calvin Coolidge Sr. post office's annual report to the main office in Washington, DC. For nearly 40 years he was both a town constable and deputy sheriff of Windsor County. During the 1900 to 1902 governorship of William W. Stickney, who was related to the Coolidge family, John Coolidge served on his military staff as aide-de-camp with the rank of colonel. Coolidge served in the Vermont State Senate from 1910 to 1912. During his Senate term, Coolidge was chairman of the Committee on Land Taxes. Upon hearing of the death of President Warren G. Harding the previous day, Coolidge, who was a justice