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The Sunlight Foundation was a U.S.-based 501(c)(3) non-partisan non-profit organization founded in 2006 with the mission of increasing transparency and accountability in the United States Congress, state, and local governments. It advocated for open government, provided tools and data to journalists and citizens, and conducted investigative journalism. Key areas of work included tracking lobbying, campaign finance, government spending, and legislative data. While highly influential in the open government movement, the Sunlight Foundation significantly scaled down its operations and effectively ceased to be an active, independent organization around 2020-2021. Some of its projects and data were transitioned to other organizations, ensuring parts of its legacy continue. Its historical website, sunlightfoundation.com, serves as an archive of its work.
Served as the central hub for its operations, including research, data analysis, software development, journalism, advocacy, and administrative functions.
Standard office space in a D.C. building, likely configured for collaborative work, meetings, and housing its technical and research staff. No specific widely publicized architectural highlights.
Reportedly a mission-driven, passionate, and innovative environment, attracting individuals dedicated to open government and technology. It fostered a culture of collaboration between technologists, journalists, and policy advocates.
The D.C. location was critical for its advocacy efforts, proximity to federal government institutions, and engagement with policymakers, journalists, and other NGOs in the capital.
While primarily focused on U.S. government transparency, the Sunlight Foundation's work, tools, and principles had a significant global influence. It inspired and collaborated with open government advocates and organizations worldwide, sharing best practices, open-source technologies, and data standards for transparency. Its research and reporting sometimes covered international lobbying efforts or U.S. foreign influence, contributing to a broader understanding of global governance issues. Many of its open-source tools were adapted for use in other countries.
1818 N St NW, Suite 300
Washington
D.C.
USA
Address: N/A
Operations were centralized to maximize impact on U.S. federal government transparency and to facilitate collaboration among its core team.
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As of April 2025, Sunlight Foundation' leadership includes:
Sunlight Foundation has been backed by several prominent investors over the years, including:
The Sunlight Foundation ceased active operations around 2020-2021. Therefore, there have been no executive new hires or exits in the last 12 months. The information below reflects the historical context of its operational wind-down.
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The Sunlight Foundation is no longer an active organization, so its email systems are not operational and emails will not be delivered. Historically, non-profits like the Sunlight Foundation often used common email patterns based on employee names.
[first_initial][last]@sunlightfoundation.com or [first].[last]@sunlightfoundation.com
Format
jdoe@sunlightfoundation.com (historical example, not active)
Example
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Success rate
Nieman Lab • September 16, 2020
The Sunlight Foundation, a pioneer in using technology to make government more transparent, is ceasing most of its active operations and transitioning its key projects and data to other organizations. The move marks the end of an era for an influential player in the open-government movement....more
Sunlight Foundation Blog (via Web Archive) • September 15, 2020
The Sunlight Foundation announced its transition, detailing how its tools, data, and mission-driven work would find new homes within other organizations. The post expressed gratitude for its community and partners over its 14 years of operation....more
Poynter • April 24, 2014
The Sunlight Foundation unveiled 'Influence Explorer,' a new online tool aimed at increasing transparency in political campaign finance by tracking undisclosed sources of funding, often referred to as 'dark money,' and their influence on politics....more
TechCrunch • February 13, 2013
The Sunlight Foundation received a $4.5 million grant from a collective of philanthropic organizations, including Omidyar Network and the Knight Foundation, to further its work in making government data accessible and usable for the public....more
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