Microsoft CEO Satya Nadella told CNBC's Jon Fortt on Monday that the oversight of OpenAI needs to change.

The comments come after days of drama kicked off by the OpenAI board dismissing co-founder Sam Altman as CEO.

"At this point, I think it's very clear that something has to change around the governance," Nadella said.

Early Monday morning Nadella said Altman, his fellow OpenAI co-founder Greg Brockman and their colleagues would join Microsoft as part of a new artificial intelligence research group. That post followed news that ex-Twitch CEO Emmett Shear had been named OpenAI interim head as Altman looked to depart.

Hours later, hundreds of OpenAI employees signed a letter to the startup's board saying that "they may choose to resign from OpenAI and join the newly announced Microsoft subsidiary run by Sam Altman and Greg Brockman.

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