The CEO of OpenAI, Sam Altman took to his social media account on X (formerly Twitter) to share his thoughts about a letter of inquiry he received from Senators Elizabeth Warren and Michael Bennet. The letter raised questions about the motivations behind his donation to the incoming president’s inaugural fund.

On his X account, Sam Altman posted a letter signed by Democratic senators concerned about the ways tech companies appear to be bending to Trump’s wishes.

The lawmakers suggested the companies used contributions to “cozy up” to President-elect Donald Trump’s administration to avoid regulatory scrutiny.