Read the note CEO Sam Altman sent to OpenAI staff announcing another 2 big exits

• Mira Murati, OpenAI's chief technology officer, earlier announced her departure from the company.
• Now, CEO Sam Altman revealed two other executives, Barret Zoph and Bob McGrew, are also leaving.

Mira Murati announced on Wednesday that she's leaving OpenAI, where she was chief technology officer. Now, two other leaders are leaving, according to CEO Sam Altman, who posted a note to OpenAI staff shortly after 5 p.m. Pacific Time on X.

According to Altman, "Barret and Bob" are leaving OpenAI. Those are Barret Zoph, who had served as the company's vice president of research, and Bob McGrew, who was chief research officer.

OpenAI did not immediately respond to a request for comment about the departures. But Zoph confirmed his departure, posting a note to X saying he decided to leave OpenAI. And The Verge's Kylie Robison posted on X that McGrew had left the company.

Read the note Altman posted to X below:

This is a developing story. Check back for updates.