ARDX, Norfolk, Virginia, hired Christie Lawrence as vice president of commercial services.
Powersoft, Camarillo, California, named Karl Kahlau executive director of the Deva product family.
Quadrant 4 System Corporation, Schaumburg, Illinois, appointed Robert Steele as CEO and Shekhar Iyer as chief operating officer.
Vectorform, Munich, appointed Martin Tabery as managing director, European region.
DynTek Inc., Newport Beach, California, named Dan Minella vice president, Western region.
Lexumo, Cambridge, Massachusetts, appointed Daniel McCall as CEO.
One Touch Brands, Austin, Texas, named Sean Erickson president and CEO.
Brig. Gen. Patrick J. Doherty, USAF, has been assigned as commander, 19th Air Force, Air Education and Training Command, Joint Base San Antonio-Randolph, Texas.
Brig. Gen. Stephen C. Williams, USAF, has been assigned as director, Air and Cyberspace Operations, Headquarters Pacific Air Forces, Joint Base Pearl Harbor-Hickam, Hawaii.
Brig. Gen. David A. Lesperance, USA, has been assigned as commandant, U.S. Army Armor School, U.S. Army Maneuver Center of Excellence, Fort Benning, Georgia.
Brig. Gen. John S. Kolasheski, USA, has been assigned as deputy chief of staff, G-3/-5/-7, U.S. Army Forces Command, Fort Bragg, North Carolina.
Brig. Gen. Sean M. Jenkins, USA, has been assigned as deputy commanding general for operations and chief of staff, Installation Management Command, Joint Base San Antonio.
Maj. Gen. James E. Rainey, USA, has been assigned as assistant deputy chief of staff, G-3/-5/-7, U.S. Army, Washington, D.C.
Maj. Gen. Leopoldo A. Quintas Jr., USA, has been assigned as commanding general, 3rd Infantry Division and Fort Stewart, Georgia.
Maj. Gen. Walter E. Piatt, USA, has been assigned as commanding general, 10th Mountain Division (Light) and Fort Drum, New York.
Maj. Gen. Michael L. Howard, USA, has been assigned as commanding general, U.S. Army Military District of Washington, and commander, Joint Force Headquarters-National Capital Region, Washington, D.C.
Maj. Gen. Ryan F. Gonsalves, USA, has been assigned as deputy commanding general, III Corps, Fort Hood, Texas.
Maj. Gen. Randy A. George, USA, has been assigned as commanding general, 4th Infantry Division and Fort Carson, Colorado.