KEY POINTS
  • Steyer's decision came as other potential Democratic candidates considered whether to run. A flood of announcements is expected in the coming weeks.
  • The California billionaire was slated to give remarks in Iowa late Wednesday afternoon.
  • Steyer, of California, was one of the top donors during the 2018 congressional midterm elections.
Hedge fund billionaire, Democratic mega-donor and environmentalist Tom Steyer holds a news conference regarding his political future and plans January 8, 2018 in Washington, DC.

Democrat Tom Steyer, a billionaire who has been pushing Congress to impeach President Donald Trump, will not run for president in the 2020 campaign.

CNBC confirmed with a Steyer representative that he wouldn't run after The New York Times first reported the development. The Times obtained prepared remarks from a speech Steyer was scheduled to give late Wednesday afternoon.