Who's on first

Former Navy Vice Admiral joined , jointly owned by Science Applications International Corp. and Northrop Grumman Co., as senior vice president, heading the Virginia Beach, Va., company's Strikeforce Systems Integration business area, which focuses on C4 and combat systems integration. Giffin retired as commander of the Naval Surface Force Atlantic Fleet, where he was responsible for mission-readiness of the 120 ships of the Atlantic Fleet. joined , Silver Spring, Md., as president and chief operating officer. Chapel previously has been COO of Computer & Hi-tech Management Inc., president and COO of Andrulis Corp., and vice president and chief financial officer of ManTech International Corp., most recently vice president of the Chrysler and Jeep divisions of DaimlerChrysler AG, is the new chief executive officer for digital video surveillance for mobile applications provider , Loveland, Colo. He also joins , former Colorado lieutenant governor, and financial consultant and president of BCL Partners as new directors of A4S. is the new sales director for strategic accounts for telecom provider , Milpitas, Calif. Nowak most recently was vice president of sales and marketing at Voice Plus Inc. named vice presidents and Jack Mayer to its board of directors. Mahaffee leads support to national security and intelligence clients; Mayer leads a team specializing in organizational change, with both civilian and military agency clients. joined simulation software developer of Houston as federal sales manager. Stroud previously worked in sales at Opnet Technologies and Borland Software Corp. of Washington hired and . Mencer, former Homeland Security Department director of the Office for Domestic Preparedness, will be a senior member of the government relations practice in the firm's Washington and Denver offices. Thompson re-joined the firm as a member of its Washington government relations counsel. Thompson was general counsel for Forest Oil. Wall will work primarily with telecommunications and media clients on issues before Congress and the Federal Communications Commission. Redfern, joining the firm as a legislative and policy advisor, was most recently manager for corporate public affairs at StorageTek. New legislative assistants Smith and Duke formerly were, respectively, aides to Rep. Betty McCollum (D-Minn.), and Sen. Ernest Hollings (D-S.C.). and joined advocacy group in Washington to launch the firm's government affairs practice. Timmons, previously executive director of the National Republican Senatorial Committee, is senior director of the practice. As a partner, Nethercutt, former director of legislative affairs for the National Oceanic and Atmospheric Administration, will focus on federal government affairs and appropriations.Retired Army Gen. joined , Fairfax, Va., as vice president for deployment and distribution support program, which provides IT services to several Defense Department groups. Solomon, who retired from the Army in 2002 as a three-star general, most recently was president and COO of Metters Industries Inc., former senior aide to Sen. Conrad Burns (R-Mont.), joined 's government relations team in Washington. Vasell most recently was director of government affairs at government relations specialist Greenberg Traurig LLC. is now vice president of federal sector sales for IBM reseller , a subsidiary of Computer Applications Specialists Inc., Laurel, Md. joined , McLean, Va., as senior marketing manager. His clients will include Computer Associates International Inc. and Juniper Networks Inc. and joined human services case management software provider of Dublin, Ireland, in its McLean, Va., office. Frank, formerly with Oracle Corp.'s state and local division, is vice president of North American sales. Williams, who handled sales and implementation at Oracle and PeopleSoft, is vice president of global marketing.Send personnel announcements to whoson.