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Sandy Lerner Cisco Systems

Sandy Lerner was fired by Cisco System’s president just six years after she helped found the company in 1990. According to Don Valentine, then a Cisco chairman, seven company VP’s stormed his office one day and threatened to quit unless Lerner was let go. “I called the president and said ‘I have a war ready to be declared.’” Lerner was removed shortly thereafter (with $170 million in compensation). She now lives on a turkey farm in Virginia.