capitalist - a person who invests capital in a business (especially a large business)

banker - someone who owns or is an executive in a bank

city man - a financier who works in one of the banks in the City of London

dealer, principal - the major party to a financial transaction at a stock exchange; buys and sells for his own account

Baruch, Bernard Baruch, Bernard Mannes Baruch - economic advisor to United States Presidents (1870-1965)

Diamond Jim, Diamond Jim Brady, James Buchanan Brady, Brady - United States financier noted for his love of diamonds and his extravagant lifestyle (1856-1917)

Jay Cooke, Cooke - United States financier who marketed Union bonds to finance the Civil War; the failure of his bank resulted in a financial panic in 1873 (1821-1905)

Cosimo de Medici, Cosimo the Elder - Italian financier and statesman and friend of the papal court (1389-1464)

Girard, Stephen Girard - United States financier (born in France) who helped finance the War of 1812 (1750-1831)

Jay Gould, Gould - United States financier who gained control of the Erie Canal and who caused a financial panic in 1869 when he attempted to corner the gold market (1836-1892)

Gresham, Sir Thomas Gresham - English financier (1519-1579)

Averell Harriman, Harriman, William Averell Harriman - United States financier who negotiated a treaty with the Soviet Union banning tests of nuclear weapons (1891-1986)

Johns Hopkins, Hopkins - United States financier and philanthropist who left money to found the university and hospital that bear his name in Baltimore (1795-1873)

Andrew Mellon, Andrew W. Mellon, Andrew William Mellon, Mellon - United States financier and philanthropist (1855-1937)

J. P. Morgan, John Pierpont Morgan, Morgan - United States financier and philanthropist (1837-1913)

Robert Morris, Morris - leader of the American Revolution who signed the Declaration of Independence and raised money for the Continental Army (1734-1806)

Cecil J. Rhodes, Cecil John Rhodes, Cecil Rhodes, Rhodes - British colonial financier and statesman in South Africa; made a fortune in gold and diamond mining; helped colonize the territory now known as Zimbabwe; he endowed annual fellowships for Commonwealth and United States students to study at Oxford University (1853-1902)

Haym Salomon, Salomon - American financier and Revolutionary patriot who helped fund the army during the American Revolution (1740?-1785)

Commodore Vanderbilt, Cornelius Vanderbilt, Vanderbilt - United States financier who accumulated great wealth from railroad and shipping businesses (1794-1877)

operate, run - direct or control; projects, businesses, etc.; "She is running a relief operation in the Sudan"