Who's on first

, Maynard, Mass., has named its new chief executive officer and chairman of the board. Hays joins SiteScape from Science Applications International Corp., where he was a senior vice president for business development in the government market. will leave Washington think tank Progressive Policy Institute for the Tucson, Ariz., office of IT consultancy , where he will continue working as a senior IT policy analyst.IT security provider , Ashburn, Mass., has named as its chief security officer. Tracy will also serve as CSO for Xacta Corp., a wholly owned subsidiary of Telos. Tracy was senior vice president and co-founder of Web security software maker Xacta.Former Army Reserve will sign on with management software provider , McLean, Va., as an associated consultant. Dueitt's most recent position was as assistant deputy chief of staff for personnel at the Pentagon.Mergers and acquisitions firm , has named as senior acquisition adviser and managing director of capital markets. Gaithersburg, Md.based Burley recently acquired Gilbert Associates. has joined , Vienna, Va., as the enterprise management software provider's new vice president and chief marketing officer. At Apple Computer Inc., Selvin led the original launch of the company's PowerBook notebook computers. has left Concord Communications Inc. to manage sales activities for federal government customers of , Chelmsford, Mass. As the IP network solution provider's federal sales director, Grady will be based in McLean, Va. is the new president of the in Washington. Pompeii was appointed in January to head the women's business owner support organization. has been named vice president of administration at in McLean, Va., where he will be in charge of corporate administration, human resources, internal systems and facilities, quality improvement and corporate communications. and have joined systems integrator , McLean, Va., as consultants. Thompson will develop and direct business opportunities in federal healthcare. Christensen will provide counsel, support and strategic planning for initiatives related to Medicare reform, federal healthcare technology modernization and other government health programs., president of solutions operations at i2 Technologies Inc., has been appointed to the board of directors of Victoria, British Columbia-based enterprise software maker this month took over as president of international operations for in Chantilly, Va. Sundelin will manage the printer maker's group marketing to Europe, Middle East, Africa, Australia, New Zealand and India. is the new president of federal business for , Brampton, Ontario. Saffell will be responsible for all of Nortel's business with U.S. military and civil government agencies. in Washington has appointed retired Air Force as senior adviser to the firm's federal practice. Before joining Deloitte, Lyles spent three years as commander, Air Force Material Command at Wright-Patterson Air Force Base in Ohio. has been named vice president of the public sector practice for enterprise search solution provider , Jackson, Mich. Tisserand will focus on federal, state and local government clients., vice president of BMC Federal, will head up , a new business unit of BMC Software Inc., Houston. BMC Federal will be the largest part of the new business unit, the fastest growing sector of BMC. has left Lockheed Martin Corp.'s IT services business unit and joined , Rockville, Md., as executive vice president for business development and operational management in the company's New Orleans office. has been named vice president of government sector sales and marketing at in Duluth, Ga. Downs has been with the broadband communications provider for 10 years, serving in senior roles in several departments, including operations management and strategic project management., Reston, Va., has promoted to chief technology officer and senior vice president. In his new position, Ruh will be charged with developing the company's XML integration strategy. Ruh was senior vice president of professional services.Send personnel announcements to .