David Joseph Calabro

David J.
Calabro, aged 54, has been the Executive Vice President and Chief Operating Officer since October 2002, having previously been Executive Vice President, Global Operations, from October 2001, and Senior Vice President with responsibility for the Company's worldwide facilities management business, from March 1999.
Previously, Mr. Calabro was employed by Unisys Corporation, a leading provider of information technology, from May 1995 through February 1999 as its Vice President and General Manager of the United States and Canada Public Sector Market Group, and prior to that, was Director of Business Operations (Government Systems Group) from August 1987 through April 1995 for Digital Equipment Corporation, a leading supplier of computer goods and services.