GMMB Email Format

Public Relations and Communications ServicesDistrict of Columbia, United States201-500 Employees

GMMB is a Washington, DC-based public relations and communications agency focused on social impact and policy-oriented work. Drawing on experience from political campaigns, nonprofits, creative agencies, and the media, the firm focuses on influencing public discourse and policy outcomes rather than commercial products. Its portfolio spans environmental protection, education and health reform, and advocacy that supports progressive leaders and legislative initiatives.

Founded in 1983, GMMB operates as a mid-sized firm in public relations and public affairs, serving advocacy groups, nonprofits, and political campaigns focused on policy change. In 2022, it announced the appointment of Sharon V. Jones as Chief Diversity, Equity, Inclusion and Growth Officer.

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