American Century Companies, Inc. provides investment advisory, management, and administrative services for American Century mutual funds. James Evans Stowers is the founder of American Century Companies, Inc. It was founded way back in 1958. The company was formerly known as Twentieth Century Companies, Inc. Jonathan Thomas is the current President and Chief Executive Officer. It is headquartered in Kansas City MO. The organization is a privately controlled and independent body. The company has a brokerage service that offers its investors to access mutual funds from other companies too. The company administers fixed income, value, quantitative, U.S growth, and international growth funds.