Zephyr Teachout, a progressive activist and Fordham Law School professor, endorsed Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE (I-Vt.) on Friday, saying he is committed to "getting billionaires and corporations out of the way of democracy."

"Bernie Sanders has built an extraordinary multi-class, multi-race movement grounded in community and compassion," Teachout said in a statement to The Hill. "He's showing us that together, we can beat back the corruption of billionaires, beat the reckless profiteering of corporations, and beat Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE."

Teachout, who has run unsuccessfully for a House seat and to be New York's attorney general, supported Sanders in the 2016 presidential race as well.

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That same year, Sanders backed Teachout in her House bid. Two years later he endorsed her in the attorney general's race, which she eventually lost to Letitia James.

"Sanders is totally committed to changing the way we fund campaigns, getting billionaires and corporations out of the way of democracy," Teachout tweeted Friday.

HuffPost first reported Teachout's endorsement of Sanders.

Teachout is the latest progressive leader to throw her support behind Sanders over rival Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.).

Three members of "the squad" — Democratic Reps. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezLawmakers fear voter backlash over failure to reach COVID-19 relief deal Why Democrats must confront extreme left wing incitement to violence The Hill Interview: Jerry Brown on climate disasters, COVID-19 and Biden's 'Rooseveltian moment' MORE (N.Y.), Ilhan Omar Ilhan OmarDemocrats scramble on COVID-19 relief amid division, Trump surprise Larry Kudlow defends response to coronavirus: Trump 'led wisely' The Hill's Morning Report - Sponsored by National Industries for the Blind - Woodward book revelations rock Washington MORE (Minn.) and Rashida Tlaib Rashida Harbi TlaibGeorge Conway: 'Trump is like a practical joke that got out of hand' Pelosi endorses Kennedy in Massachusetts Senate primary challenge The Democratic Party platform represents our big tent MORE (Mich.) — backed Sanders earlier this year. Rep. Ayanna Pressley Ayanna PressleySan Francisco considers changing local voting age to 16 Hillicon Valley: Election officials prepare for new Russian interference battle | 'Markeyverse' of online fans helps take down a Kennedy | GOP senators unveil bill to update tech liability protections 'Markeyverse' of online fans helps take down a Kennedy MORE (D-Mass.) is supporting Warren.

National polls consistently show Sanders in second place among Democratic presidential candidates, according to a RealClearPolitics average. Former Vice President Joe Biden Joe BidenMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE leads the crowded field of White House hopefuls.