Onward Together is a political fundraising organization established by former U.S. Secretary of State Hillary Clinton in the wake of her loss to President Donald Trump in the 2016 election. The 501(c)(4) organization receives anonymous donations, and distributes the majority of that money to a small number of partner

Also see Center for American Progress (Nonprofit) The Center for American Progress Action Fund (CAP Action), established in July 2003 by longtime Clinton family confidant John Podesta, liberal billionaire George Soros, and a handful of other former Washington, D.C. Democrats and Clinton administration officials, is a leading force

The Patriotic Millionaires is a group of Americans who earn more than $1 million per year and advocate for left-wing economic policies. They were organized by longtime Democratic and left-wing strategist Erica Payne with help from trial lawyer and major Democratic donor Guy Saperstein in 2010, who recruited

Pierre Omidyar is the founder of the multinational e-commerce corporation eBay, a philanthropist, and a financier of left-wing organizations, including investigative journalism projects. Omidyar is a funder of left-wing politics; as such, he gave $100,000 to the NeverTrump PAC, a group opposed to 2016 Republican presidential nominee Donald Trump.

The Berkman Klein Center for Internet and Society (BKC) is an organization based at Harvard University which studies the rise of the internet and its relationship to governance, advocating for a number of left-of-center legal reforms to address the changing digital landscape.

State Voices is a left-of-center advocacy group founded in 2008. 1 State Voices connects advocacy and activist organizations to each other so they can collaborate in “state tables” on mutual policy goals.

America Votes is a left-of-center lobbying and advocacy coalition that supports left-of-center issue advocacy and expanding voting access.1 America Votes bills itself as the “Coordination Hub of

Aspen Institute is a left-leaning, Washington, D.C.-headquartered think tank that focuses on convening senior-level professionals, hosting events, and driving dialogue across the business, communications, education, environment, health, criminal justice, philanthropy, and national security affairs sectors. 1

The Bill and Melinda Gates Foundation (Gates Foundation) was formed in 2000 by Microsoft founder Bill Gates and his wife, Melinda. Its total assets of nearly$55 billion (as of year-end 2021) make the Gates Foundation the largest private philanthropic foundation in the world.

American Lung Association is an advocacy organization whose primary mission since its founding in 1904 is advocacy for improving lung health, reducing the burden of lung cancer on patients, and running anti-tobacco campaigns.

The Threshold Foundation is a nonprofit and membership organization funding a variety of left-of-center causes. Based in Katonah, New York, the foundation’s president is Joan Briggs. 1 History and Causes Threshold Foundation was founded in 1981

The Wilderness Society is a left-of-center environmentalist group that primarily supports land conservation efforts, but also finances policy advocacy. Since its founding in 1935, the Society has helped protect nearly 112 million acres. 1 Since

The Alliance for Global Justice (AFGJ, sometimes styled AfGJ) is an organizing group that serves as a fiscal sponsor to numerous left-wing initiatives, among them Refuse Fascism,

The Sunlight Foundation was a government transparency advocacy group pushing for largely center-left government transparency measures.1 While the Sunlight Foundation claimed to be nonpartisan, its original national director, Zephyr Teachout, became a left-wing

New America, formerly the New America Foundation, is a left-of-center think tank in the United States. It focuses on a range of public policy issues, including national security studies, technology, asset building, health, gender, energy, education, and the economy. The think tank’s scholars and affiliated commentators include former and some

The Nature Conservancy (TNC) is the world’s largest nongovernmental conservation organization and ranked 20th on the 2018 Forbes list of the 100 largest U.S.-based charities. 1

The ClimateWorks Foundation is a left-of-center “pass-through” funding entity that distributes funds from donors to environmentalist advocacy groups around the world. Many of these nonprofits lobby for emissions taxes, restricting coal use, international climate treaties with strict enforcement mechanisms, and diminishing the use of cars.

Center for Social Inclusion (CSI) is a left-of-center social justice advocacy group that advocates for centering racial identity politics in policy activism. In 2017, the group merged with the left-of-center group Race Forward, which has a similar mission focused on race and identity, though both groups still submit separate tax

The American Constitution Society for Law and Policy (ACS) is a left-of-center legal activist group that aims to frame the United States Constitution as a document whose meaning shifts based on historical and political circumstances and that lawmakers should apply its articles and amendments accordingly. To advance this view, often

The Alliance for Justice (AFJ) is a left-of-center legal policy coalition composed of over 100 organizations. The group is best known for the Judicial Selection Project, which seeks to promote left-wing and Democratic-appointed judges while defeating conservative and Republican-appointed judges.