I don’t recall there being a former US Senate Majority Leader acting as Chairman. I know Bob Iger was installed shortly after Michael Eisner got fired, which was partially caused by Roy E. Disney getting fired by Eisner and his protesting out of disgust for what Eisner did, though.
George John Mitchell Jr....A Democrat, Mitchell served as a United States Senator from Maine from 1980 to 1995 and as Senate Majority Leader from 1989 to 1995.
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Mitchell served as chairman of The Walt Disney Company from March 2004 until January 2007,...