Billionaire Democratic donor Tom Steyer Tom SteyerTV ads favored Biden 2-1 in past month Inslee calls Biden climate plan 'perfect for the moment' OVERNIGHT ENERGY: Trump administration finalizes plan to open up Alaska wildlife refuge to drilling | California finalizes fuel efficiency deal with five automakers, undercutting Trump | Democrats use vulnerable GOP senators to get rare win on environment MORE's campaign to impeach President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE will continue under new leadership after Steyer's announcement that he is running for president.

Steyer, who founded the Need to Impeach campaign in October 2017, on Tuesday became the latest candidate to jump into the crowded 2020 Democratic primary race.

Need to Impeach will continue under the control of new executive director Nathaly Arriola.

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“The momentum behind impeachment is stronger than ever and the American public continues to demand that Congress do its job and start an impeachment inquiry,” Arriola said in a statement.

The move was expected, as Steyer pledged $50 million to Need to Impeach and NextGen America, a group aimed at mobilizing young voters, when he announced his presidential candidacy Tuesday morning.

The impeachment campaign is gearing up its organizing efforts ahead of former special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s July 17 testimony before the House Judiciary Committee. The group plans to hold "Impeach-In" events across the country throughout July.

“Mueller’s testimony will give the entire country a chance to see this administration’s corruption and lawlessness on national TV. And as momentum builds, Need to Impeach will continue to organize across the country and the lead alongside the millions of Americans who are standing up for our democracy,” Arriola said.

Steyer, a liberal activist and former hedge fund manager, is the latest Democrat to join the primary. His announcement comes one day after Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.) dropped out.