Companies

AddThis of Vienna appointed Perry Nusbaum senior vice president of sales, Casey Martin vice president of U.S. sales and Jaime Chung senior vice president of ad operations and account management.

Comprehensive Health Services of Reston appointed Paul Desilets vice president of contracts and procurement and Joseph Bopp vice president of international business development.

Deloitte Tax of the District appointed Suzanne Y. Kao director.

GeoConcepts Engineering of Ashburn appointed Chung Wu principal.

GridPoint of Arlington appointed Mark Straton senior vice president of sales and marketing.

Leap Frog Solutions of Fairfax appointed Andy Darling vice president of business development and strategy.

Message Systems of Columbia appointed Phillip Merrick chief executive.

Social Driver of the District appointed Melissa Springer vice president of client strategy.

Associations & nonprofits

The American Association of Tissue Banks of McLean appointed Jamien Payne director of membership and marketing.

The American Gaming Association of the District appointed Ron Rosenbaum chief operating officer, Brian Cohen director of ally development and Chris Moyer director of media development and relations.

The Corn Refiners Association of the District appointed Dan Chartier vice president of government relations.

The National Association of Latino Elected and Appointed Officials of the District appointed Laura Maristany director of policy and legislative affairs.

The Society for Women’s Health Research of the District appointed Michael Tune development manager.

The Urban Institute of the District appointed Jonathan Schwabish senior researcher and data visualization expert.

Finance

Cardinal Bank of McLean appointed Stephanie Lykins-Harvey senior vice president of regional sales and service manager.

Union First Market Bank of Northern Virginia appointed Bruce Landerman senior vice president of commercial real estate lending.

Law & Lobby

Arnold & Porter of the District appointed Amy Jeffress partner.

Hogan Lovells reappointed District-based partner Bill Curtin to its board of directors as representative for the Americas.

Latham & Watkins of the District appointed Jonathan Su partner in the litigation department.

McGuire Woods of McLean appointed Christian Nagel senior counsel in its commercial litigation department.

McKenna Long & Aldridge of the District appointed Ben Dunham counsel in the public policy and regulatory affairs department.

Thompson Hine of the District appointed Daniel Ferrel McInnis partner.

Wiley Rein of the District appointed Gary A. Michel consulting counsel.

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 appointments@washpost.com.