Companies

2U of Landover, Md., appointed James Shelton chief impact officer.

AMT LLC of the District appointed Carlos Ostria managing associate in charge of the company’s Washington office.

Comunicad of Arlington appointed Shalimar Alió senior account executive and Jossie Flor Sapunar account executive.

Conafay Group of the District appointed Brian Pfister vice president, Dana Marston director of operations and Sarah Landry consultant.

Enterworks of Sterling, Va., appointed Kevin Reese vice president of sales and business development.

Grant Thornton of Alexandria appointed Carlos Otal managing partner for global public sector.

GTM Architects of Bethesda appointed Rosana Torres senior project manager and Don Reed senior project manager.

ICF International of Fairfax appointed Dean Bakeris vice president on the company’s cyber­security team.

Interstate Hotels & Resorts of Arlington appointed Richard Tannenbaum senior vice president of sales and marketing for the company’s rim hospitality division.

LMI of Tysons, Va., appointed Robert Lech vice president of information technology business development and Luke Knittig vice president of corporate communications.

NCI of Reston, Va., appointed Cindy Moran to the company’s board of directors.

Northrop Grumman of Linthicum, Md., appointed Kay Rand president of operations for the company’s electronic systems sector

Perkins Eastman of the District appointed Lance Hosey principal and chief sustainability officer.

Thos. Moser of the District appointed Kevin Sweitzer showroom manager.

Treliant Risk Advisors of the District appointed Stacey-Ann Williams director.

Associations and nonprofits

Aerospace Industries Association of Arlington appointed David Melcher president and chief executive.

Real estate

Clark Enterprises of Bethesda appointed Lawrence Nussdorf chairman and chief executive and Robert Flanagan president and treasurer.

Long & Foster of Chantilly, Va., appointed Greg Wells Northern Virginia regional property manager.

Finance

Cardinal Bank of Tysons Corner, Va., appointed Joann Tobin senior vice president and market executive.

Swan & Legend Venture Partners of Leesburg, Va., appointed David Strasser managing director.

Law and lobby

Blank Rome of the District appointed Aldo Noto partner in the firm’s intellectual property group.

Hogan Lovells of the District appointed Lisa Ellman partner in the firm’s government regulatory practice.

Jenner & Block of the District appointed Brian Hauck partner.

Katz, Marshall & Banks of the District appointed Alison Asarnow, Alexis Ronickher and Matthew Stiff partners.

Kutak Rock of the District appointed Stephen Sorett of counsel.

McGlinchey Stafford of the District appointed Sharon Sulami associate in the firm’s white-collar and government investigations practice.

Quarles & Brady of the District appointed Jonathan Hudis partner in the firm’s intellectual property practice group and David Worthen partner with the firm’s franchise and distribution team.

Westerman, Hattori, Daniels & Adrian of the District appointed Alan Cooper of counsel.