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For-profit
O’Brien Garrett is a major Washington, D.C.-based fundraising and political consulting firm founded by Democratic political operative Frank O’Brien in 1987. It was previously known as O’Brien McConnell Pearson and branded as OMP Direct. Yvonne Garrett later joined the firm as a partner after serving as vice president for client
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Person
Christopher Hohn is an English hedge-fund manager and billionaire environmentalist who had an estimated net worth of $9.2 billion as of 2025. 11 Hohn is known for personally contributing £50,000
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For-profit
Participant (formerly known as Participant Media) was a film production company founded by Jeffrey Skoll, a left-leaning billionaire who was formerly the president of eBay.
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Non-profit
For more information, see Demand Justice The Demand Justice Initiative is a left-of-center judicial policy organization associated with Demand Justice. It is a former project of the New Venture Fund, a nonprofit managed by for-profit consulting firm Arabella Advisors, and achieved independent tax status in 2021.
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Person
Alison Carlson is the founder of the Passport Foundation and the Forsythia Foundation, two environmentalist grantmaking foundations. After a personal health scare, Carlson became involved in numerous scientific and activist efforts regarding environmental toxins. In 2007, she co-founded the Passport Foundation with her now-ex-husband John Burbank. Three years
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Non-profit
Wild Rivers Project, also known as Wild Rivers Coast Alliance (WRCA), is a grantmaking group that spends money to improve coastlines and river ecosystems. Founded in 2010, it is a project of the New Venture Fund, a nonprofit controlled by the for-profit consulting firm Arabella Advisors.
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Non-profit
Secure Elections for America Now (SEAN) is a left-of-center advocacy group created as a project of the New Venture Fund, a nonprofit managed by philanthropic consulting firm Arabella Advisors.
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Non-profit
Conservative Leaders for Education (also styled CL4E) is a right-of-center advocacy organization that advocates for education policies at the state level. It is a project of the left-of-center New Venture Fund, a funding group managed by Arabella Advisors, a left-progressive philanthropic consulting firm based in Washington, D.C. Background
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Non-profit
The Center for Secure and Modern Elections (CSME) is a left-of-center advocacy organization created as a project of the New Venture Fund, a leading “dark money” pass-through funder and fiscal sponsor, to promote sweeping changes to the elections process, including state laws that automatically register voters at state agencies.
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Non-profit
Republicans for the Rule of Law (RRL) is an organization that purports to be a coalition of Republicans who support the impeachment of President Donald Trump. It is a subsidiary of Bill Kristol’s Defending Democracy Together nonprofit, a nominally conservative organization that often opposes the President’s decisions. RRL was initially
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Non-profit
Defend American Democracy (DAD) is a left-of-center advocacy group focused on supporting efforts to impeach President Donald Trump and remove him from office. DAD spends large sums on television advertisements which target individual members of Congress.
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Person
Tara McGowan is a Democratic political operative best known as the head of the “ACRONYM” network of Democratic Party-aligned outside advocacy groups, which is known to include the social-welfare advocacy group ACRONYM, the political action committee (PAC) PACRONYM, the left-of-center media outlet Courier Newsroom, and the digital
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Political Party/527
PACRONYM is a political action committee (PAC) affiliated with the left-of-center political advocacy organization ACRONYM. PACRONYM was formed to oppose Republican candidates through digital advertising campaigns. Its initial ad campaigns were focused on state legislative races for the 2018 elections.
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Non-profit
The Paul and Joanne Egerman Family Charitable Foundation is a private grantmaking foundation. In addition to the foundation’s charitable works, such as funding scholarships and supporting MIT, it donates to left-leaning groups. In 2018, the foundation donated to The American Prospect,
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Non-profit
Priorities USA Foundation is the charitable arm of Priorities USA, a major Super PAC that supports Democratic candidates and opposes Republican candidates. Founded in 2017, the Foundation primarily funds litigation against voter integrity laws and promotes research to advocate for fewer voting requirements.
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Non-profit
The Town Hall Project was a left-of-center “social welfare” advocacy group that organized protests against “town hall” events held by Republican members of Congress, especially during the 115th Congress that met from 2017 through 2019.
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Other Group
The Pigou Club is an informal membership organization founded by macroeconomist Gregory Mankiw. Background The Pigou Club is an informal membership organization that supports penalty taxes on certain consumption (known as Pigovian taxes after Arthur Cecil Pigou, a 20th century English economist who proposed them), especially conventional energy sources
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Non-profit
The Fund for Policy Reform is a 501(c)(4) lobbying organization founded and funded by left-of-center megadonor George Soros within his Open Society Foundations network of groups. The Fund for Policy Reform provides grants to left-of-center organizations, most notably in drug policy, criminal justice, and election administration policy, in
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Person
Aftyn Behn is a far-left activist and the Campaign Director for advocacy group RuralOrganizing.org. 461 She was previously the statewide Indivisible organizer for Tennessee
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Non-profit
Climate Feedback is a climate change journalism organization which analyzes media or academic reports on climate change and then provides summaries of the findings. Their evaluations are published to the website with a credibility rating and explanations of accuracy and biases. Each scientist employed as a reviewer holds a PhD
