John W. Sidgmore
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John W. Sidgmore (April 9, 1951 – December 11, 2003) became the Chief Executive Officer of UUNET Technologies in June 1994. UUNET was purchased by MFS, later taken over by WorldCom, which eventually bought MCI. He later became WorldCom's Chief Operations Officer. Sidgmore worked to revive WorldCom after disgraced CEO Bernard Ebbers left. Sidgmore was instrumental in beginning to turn around the failed company, revealing to federal investigators an $11 billion accounting fraud, left over from Ebbers' management of the company.
- Feder, Barnaby J. (December 12, 2003). "John Sidgmore, 52, Dies; Headed WorldCom By". New York Times. Retrieved April 15, 2015.