Sam Altman (left) and Bill Ackman (right).
OpenAI CEO Sam Altman (left) and billionaire fund manager Bill Ackman (right).
  • Bill Ackman has a new comrade in his crusade against antisemitism.
  • OpenAI CEO Sam Altman said he'd underestimated just how bad antisemitism had gotten in the US.
  • Both businessmen have written posts on X saying antisemitism is a problem in America.

Sam Altman and Bill Ackman appear to be on the same page.