From 2002 to 2006, Tyson was the first female Dean of London Business School. From 1998 to 2001, she was Dean of the Haas School of Business. She served in the Clinton Administration as Chairman of the President's Council of Economic Advisers from 1993 to 1995. She was a spokesperson in favour of GATT, arguing with Sir James Goldsmith on Charlie Rose that American jobs will be increased by the trade agreement. Tyson was Director of the National Economic Council from 1995 to 1996. Tyson has been a member of the Council on Foreign Relations since 1987, a board director of Morgan Stanley since 1997, a board director of AT&T Inc. since 1999, a board director of Eastman Kodak and is a member of the Committee on Capital Markets Regulation. In December, 2009 it was announced that Tyson will join CB Richard Ellis Board of Directors on March 4, 2010. Tyson also sits on the QFINANCE Strategic Advisory Board.