OpenAI CEO Sam Altman and his partner, Oliver Mulherin, welcomed their first child, a baby boy, who is currently in the NICU. Altman reflected on the

One of the first congratulatory comments on his birth announcement came from Satya Nadella, the CEO of Microsoft, a company that has invested heavily in OpenAI.

Sharing the news on social media platform X early Sunday, Altman revealed that their son arrived earlier than expected and will spend some time in the neonatal intensive care unit (NICU)

In last year's interview with The New York Times, Altman revealed that Mulherin loves large families and that they planned to start their own soon. Bloomberg reported in January 2025 that the couple was expecting their first child in March.