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
Calvin Coolidge but when the President of the State Senate, Levi H. Greenwood, considered running for Lieutenant Governor, Coolidge decided to run again for the Senate in the hopes of being elected as its presiding officer. Although Greenwood later decided to run for reelection to the Senate, he was defeated primarily due to his opposition to women's suffrage; Coolidge was in favor of the women's vote, won his own re-election and with Crane's help, assumed the presidency of a closely divided Senate. After his election in January 1914, Coolidge delivered a published and frequently quoted speech entitled "Have Faith in Massachusetts", which