Michael Toplisek has joined EarthLink Incorporated, Atlanta, as executive vice president of IT Services.
Timothy Coffin has been promoted to president of iGATE Government Solutions, Pittsburgh.
Brig. Gen. Steven W. Duff, ARNG, has been assigned chief of staff, Kosovo Force, Pristina, Kosovo.
Brig. Gen. Kaffia Jones, USAR, has been assigned deputy commander, 335th Signal Command (Theater), East Point, Georgia.
Maj. Gen. Stuart M. Dyer, USAR, has been assigned chief integration officer, Office of the Chief Information Officer/G-6, Washington, D.C.
Maj. Gen. Mark W. Perrin, USA, has been assigned deputy director, Signals Intelligence Directorate, National Security Agency, Fort Meade, Maryland.
Venture Incite Incorporated, Oak Ridge, Tennessee, has promoted Scott A. Ewing to president and chief executive officer.
Maj. Gen. Robert B. Brown, USA, has been nominated for appointment to the rank of lieutenant general and assigned commander, I Corps at Joint Base Lewis-McChord, Washington.
Optelian, Marietta, Georgia, has appointed Dennis Isotti vice president of operations.
AMERICAN SYSTEMS, Chantilly, Virginia, has appointed John Manning vice president of the company's Acquisition and Logistics Strategic Business Area.