OpenAI CEO Sam Altman is planning to make a $1 million personal donation to President-Elect Donald Trump’s inauguration fund, joining a number of tech companies and executives who are working to improve their relationships the incoming administration.

Donations to President-elect Donald Trump’s inaugural committee offer a “unique opportunity” to curry favor with the White House, experts told CNBC.

Trump has been a vocal critic of tech companies, and he signaled earlier this month that he won't shy away from antitrust enforcement. The incoming president nominated Gail Slater, who advised Trump on tech policy during his first term, to head the Department of Justice's antitrust arm.

Get the latest news on the transition to the new administration of President-elect Donald Trump and a new Congress.

Mr. Altman and OpenAI have recently hired key executives who previously worked for the Clinton, Obama and Biden administrations.

Contributors included Big Tech giants Amazon, Meta, and OpenAI, as well as carmakers Ford, General Motors, and Toyota.

President-elect Trump's inauguration is drawing donations from an array of blue-chip companies, and it's likely to exceed all past ceremonies in terms of fundraising. Why it matters: This is a chance to earn goodwill from Trump,