The Cohen Group of Washington named Robert W. Porter vice president.
GTSI of Chantilly named Ken Everist vice president of pricing and David Samuels vice president of finance and corporate controller.
Dewberry of Fairfax named Laurence W. Zensinger vice president and director of homeland security and Scott Martin associate and senior emergency management specialist.
Naden/Lean of Timonium named Susan E. Peck senior accountant, commercial services.
Schnabel Engineering of Gaithersburg named Geno Van Dyck associate.
Benelogic of Timonium named Shannon Fitzgerald client service specialist.
Lex Solutio Corp. of Phoenix named Les Bias director of partners' operations in its Washington office.
BBG-BBGM of Washington named Laurie Woliung director, hospitality interior design, and Bruno Grinwis and Robert Osborne senior associates.
Unitek Technical Services of Centreville named Janis Patella vice president.
Hargrove Inc. of Lanham named Diana Simmons executive vice president.
RWD Technologies of Baltimore named Keith S. Dalton vice president, sales and marketing.
Agentsmith of Baltimore named Tracey Kliebhan chief technology officer.
NAACP Legal Defense and Educational Fund (LDF) of Washington named Jacqueline Berrien associate director-counsel.
Universities at Shady Grove (USG) of Rockville named Karen Mitchell director, administrative and financial services.
Catholic University of America named Julie Englund treasurer and vice president, finance and administration.
Ameriquest Mortgage of Orange, Calif., named Rodrigo J. Alba president of federal and regulatory affairs in its Washington office.
EFX Media of Arlington named James Jacques media specialist, and Tom Oates producer, director and writer.
WETA of Arlington named Jennifer Ward director, corporate marketing, and Stephen Wiley director, local and national sales.
SunTrust Bank of Greater Washington named Winona Blevins and William W. Palmer senior vice presidents, commercial division.
Wiley Rein & Fielding of Washington named Margaret A. Ryan partner.
Whiteford, Taylor & Preston of Baltimore named Gustav P. Chiarello III associate, business litigation; Maureen Richards Cones associate, medical malpractice; and Emily A. Shrift associate, health care.
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.