Mr. Doyle has been self-employed as a technical consultant since September 1991. He was employed formerly by the Hewlett-Packard Company, a provider of technology solutions, where he served as the Executive Vice President of Business Development from 1988 through 1991, Executive Vice President, Systems Technology Sector from 1986 to 1988, Executive Vice President, Information Systems and Networks from 1984 to 1986, and Vice President, Research and Development from 1981 to 1984. Mr. Doyle also serves as a director of Xilinx, Inc.