Who's on first?

has joined , Rockville, Md., as vice president of IT, leading the company's health IT group. Polster most recently was program manager and practice leader at Northrop Grumman Corp. for public health systems on projects for federal agencies. joined , Fairfax, Va., as vice president and deputy director at SRA's Adroit Command and Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance Center., president and general manager of LXE Inc., Norcross, Ga., has been elected chairman of the board of directors for IT trade organization , Warrendale, Pa. has joined the Norcross, Ga.-based health care provider practice for of McLean, Va., as national practice leader for supply chain management consulting. Dowling most recently was national SCM practice leader. has joined IT research firm , Chantilly, Va., as senior vice president of consulting, charged with helping companies with strategic and tactical planning for the government market. Bain most recently was vice president of management consulting for Exeter Government Services LLC.At , Arlington, Va.: In the international division, to vice president of engineering; in the Medicare line of business, to vice president of health services; and in the contracts department, to vice president of contracts. At , Dayton, Ohio: In the land forces group, to corporate vice president charged with leading the information dominance division; and to corporate vice president and chief technology officer.At : At the company's Electromagnetic Systems Laboratory, Reston, Va.: to vice president; at the company's ship systems division, Los Angeles: to vice president, assistant general counsel and sector counsel.At , Reston, Va.: to principal consultant.