William G. McGowan
MCI Communications
1968–1985
MCI Communications
1968–1985
McGowan built a $4 billion telecommunication business that defeated the AT&T monopoly. Acting as a self-employed consultant, McGowan rescued MCI by paying off its debts and created a lean competitor to AT&T by under-pricing the monopolist. By the end of his tenure, MCI had an estimated 15% of the U.S. long-distance market.

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