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Mr. Jonathan S. Thomas is President and Chief Executive Officer of American Century Investments. Mr. Thomas joined American Century in 2005 as Chief Financial Officer and Executive Vice President, and a member of the American Century Companies Board of Directors. He became CEO in March 2007.

Prior to joining American Century, Mr. Thomas was Global Chief Operating Officer and Managing Director of the Investment Management division at Morgan Stanley in New York City. Mr. Thomas received a BA in Economics from the University of Massachusetts and a MBA from Boston College.