Brockman had taken over product when Fidji Simo went on medical leave, and he’ll continue those responsibilities now that Simo is stepping down from her full-time OpenAI job and becoming a “part-time advisor,” CNBC reports. [Link: OpenAI power consolidates under co-founder Greg Brockman ahead of prospective IPO | https://www.cnbc.com/2026/07/10/openai-power-consolidates-under-co-founder-greg-brockman-ahead-of-ipo.html | CNBC]

With Fidji Simo's official departure from OpenAI due to a chronic medical issue, Greg Brockman's role has become clearer.

Brockman had taken over product when Fidji Simo went on medical leave, and he’ll continue those responsibilities now that Simo is stepping down from her full-time OpenAI job and…