Gary Cohen, who worked at IBM for 22 years, will serve as chief operating officer at Global Crossing. Cohen most recently managed IBM's telecommunications business and will oversee Global Crossing's network operations.
Global Crossing owns Web hosting facilities and a nationwide fiber-optic network. The company also is building a global fiber-optic network. The company made a variety of management changes recently, most notably the promotion of Leo Hindery as chief executive, as it prepares to battle numerous international competitors.
The company also announced that Joseph Perrone, a senior partner at consulting firm Arthur Andersen, will serve as Global Crossing's new senior vice president of finance. At Arthur Andersen, Perrone provided advice to Global Crossing during its initial public stock offering.
Lee, a founding partner at Global Crossing who served as president, will leave the company after a transition period of "several months," the company said. Lee's plans were not revealed.