ADG Creative of Columbia appointed Alex Boakye director of software engineering.

Aeras of Rockville appointed Lota S. Zoth chairwoman of the board of directors.

BerkleyNet of Woodbridge appointed Ken Miller vice president of underwriting and product management.

Calvert Investments of Bethesda appointed Michael L. Davis director of institutional sales.

Coalfire of the District appointed Nick Son managing director of its federal division.

Device Cloud Networks of the District appointed Dave Williams chief executive.

DPR Construction of the District appointed Greg Haldeman regional manager.

General Dynamics of Falls Church appointed Jason W. Aiken senior vice president and chief financial officer.

Lockheed Martin of Bethesda appointed Lisa Callahan corporate officer and vice president of internal audit.

MedStar Health of Columbia appointed James Farley senior vice president of the MedStar Medical Group.

NGA.NET of Arlington appointed Mavis Liew chief marketing officer, William Goss senior vice president of customer solutions and Zivit Inbar director of global human resources.

SRA International of Fairfax appointed Tom Nixon executive vice president and chief growth officer.

Associations & nonprofits

NeighborWorks America of the District appointed Kristen Johnson-Obey senior vice president of public policy and legislative affairs.

Rockville Economic Development of Rockville appointed Alicia Jones-McLeod business development manager and Rachel Cervarich program assistant.

The U.S. Council for International Business of the District appointed Kristin Isabelli director of customs and trade facilitation.

Real estate

CBRE of the District appointed Lance L.J. Marine senior vice president.

Vornado of Crystal City appointed Brian Fragola accounting manager.

Law & lobby

Barnes & Thornburg of the District appointed Karen A. McGee office managing partner.

Davis Polk & Wardwell of the District appointed Neil MacBride partner.

Mayer Brown of the District appointed Brian Netter partner.

Wiley Rein of the District appointed John B. Watkins partner in its corporate practice.

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