Acentia of Falls Church appointed Carl Rosenblatt senior vice president for business development, Liz Renninger vice president of business development, Gary Stegman senior capture executive for health.
AddThis of McLean appointed Hal Muchnick chief operating officer.
Aronson of Rockville appointed Kevin Gerrity director of recruiting.
Choice Hotels International of Rockville appointed Patrick Pacious chief operating officer.
Creative Associates International of the District appointed Guillermo Cespedes to lead the development of new crime and violence prevention programs.
Dewberry of Fairfax appointed Jean Huang associate vice president of the water resources group, April Diaz senior interior designer and Meredith Byer director of planning.
FedBid of Vienna appointed Joseph Jordan president of public sector.
Genco Masonry of Bethesda appointed John Allers vice president in charge of project management and Jerry Pitts treasurer.
Helios HR of Reston appointed Amy Stark practice director and talent acquisition.
LaSalle Hotel Properties of Bethesda appointed Ian Gaum chief investment officer.
Liberty Mutual Insurance of the District appointed Viji Rangaswami vice president of federal affairs.
Logos Technologies of Fairfax appointed John Marion president.
ManTech International of Fairfax appointed Yvonne Vervaet senior vice president of business development for its mission, cyber and intelligence solutions group.
Northrop Grumman of Falls Church appointed Charles W. Lyon corporate lead executive.
Orbital Sciences of Dulles appointed Tom McCabe senior vice president, general counsel and secretary.
PAE of Arlington appointed John Heller chief executive.
U.S. Silica Holdings of the District appointed Michael L. Winkler vice president and chief operating officer.
Westfield Marriott Washington Dulles appointed Todd Schofield executive chef and Sharon Meyers director of catering sales.
Whitney Bradley & Brown of Reston appointed Denise Watters vice president for human resources.
Xtar of Herndon appointed Andrew Ruszkowski chief commercial officer.
Agricultural Cooperative Development International and Volunteers in Overseas Cooperative Assistance of the District appointed Drew Luten senior vice president for global risk management.
American Land Title Association of the District appointed Benjamin Lincoln director of government affairs.
American Public University System of Manassas appointed David Brannan program director for homeland security studies.
ArtPlace of the District appointed Jamie Bennett executive director.
Corporate Volunteer Council of Montgomery County in Rockville appointed Sarah Burnett executive director.
District of Columbia Bar Foundation appointed Kirra L. Jarratt executive director.
Internet Society of the District appointed Kathryn C. Brown chief executive.
TechAmerica of the District appointed Mike Hettinger senior vice president for public sector.
CBRE of the District appointed Natasha Stancill director of marketing.
Keller Williams of Fairfax appointed Bill Hoffman director of the luxury homes division.
August, Lang & Husak of Bethesda appointed Bonnie Weaver president.
BIA/Kelsey of Chantilly appointed Celine Matthiessen vice president of insights and analysis.
BakerHostetler of the District appointed John Bates partner.
Jones Day of the District appointed Charles T. Kotuby Jr. and Kevin R. Noble partners.
Katz, Marshall & Banks of the District appointed Adam Herzog counsel.
Sidley Austin of the District appointed Ike Adams, Torrey Cope, Michael R. Franzinger, Eric D. McArthur, James Mendenhall and Ryan C. Morris partners.
Tully Rinckey of the District appointed Kathleen J. Raynsford counsel in its labor and employment law practice group.
Vinson & Elkins of the District appointed Katy Gottsponer partner.
Send information about promotions, appointments and personnel moves in the Washington area to Appointments, Business News, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071-5302, or to firstname.lastname@example.org.