Nicholas Nowinski has joined ViON, Herndon, Virginia, as vice president of information technology and security.
Doug Magee has been appointed president of Akima Support Operations, Herndon, Virginia.
Paul S. Klick has joined The McLean Group, McLean, Virginia, as senior managing director.
Stuart Kippelman has joined Parsons, Pasadena, California, as chief information officer.
Noblis, Reston, Virginia, has named Rich Jacques as vice president of intelligence.
AST & Science, Midland, Texas, has named Chris Ivory as chief commercial officer and CEO.
John Hynes has joined Applied Insight, Tysons, Virginia, as CEO.
Eric Forseter has been appointed general manager of public sector for DataRobot, Tysons, Virginia.
Kevin Henderson has been named vice president of corporate growth at SOS International, and Steven Shugart has joined the company's senior leadership team.
Ray Falcione has joined OmniSci, San Francisco, as vice president of U.S. Federal Business.
James Clapper has joined StellarPeak, Reston, Virginia as senior advisor.
AbleVets, Chantilly, Virginia, has appointed Paul Bradley as vice president of technology.
Zain Ahmed has been promoted to vice president and general manager of CenturyLink's federal civilian and law enforcement practice, Tysons Corner, Virginia.
Judith Zawatsky has been named assistant commissioner of the General Service Administration's Systems Management Office, Washington, D.C.
Mike Scott has been promoted to the position of vice director of logistics operations at the Defense Logistics Agency, Fort Belvoir, Virginia.
Christopher Scolese is the intended nominee for director of the National Reconnaissance Office, Chantilly, Virginia.
David Nesting has been appointed as deputy chief information officer for the Office of Personnel Management, Washington, D.C.
Mark Munsell has been appointed chief technology officer of the National Geospatial-Intelligence Agency, Springfield, Virginia.
Clare Martorana has been named chief information officer for the Office of Personnel Management, Washington, D.C.
Suzanne Gillen has been named NASA's associate administrator for the Office of Legislative and Intergovernmental Affairs, Washington, D.C.