Dewberry of Fairfax named Ronald L. Ewing chief executive.
GTSI of Chantilly named Arpad Toth chief technologist, enterprise technology practices.
McNeil Technologies of Springfield named Frank Libutti consultant.
BAE Systems of Rockville named Marshall Banker president of the customer solutions operating group, Rosslyn office.
STG International of Alexandria named Mike Blank vice president, consulting services; Allan C. Hardy vice president, business development, and Ellen Duncan human resources director.
Catholic University of America of Washington named Harriet A. Nokuri director of summer sessions.
Prudential Carruthers Realtors of Severna Park named Greg Wright a Realtor for Harford and Anne Arundel counties.
Blake Real Estate of Washington named Steve Solomon managing director of leasing and William Clark operations director.
SheaHedges Group of McLean named Brianna Boyle account supervisor and Patricia Ridgway account executive.
Thompson Coburn of St. Louis named Robert A. Shapiro partner in the transportation and international commerce practice group, Washington office.
Shulman, Rogers, Gandal, Pordy & Ecker of Rockville named Jeremy W. Schulman shareholder, commercial litigation department.
Paul, Hastings, Janofsky & Walker of Washington named Laura Flippin of counsel, litigation department.
Send information about promotions, appointments and personnel moves in the Washington area to Appointments, Business News Department, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071-5302. All material must be submitted in writing.