OpenAI President Greg Brockman strengthens his leadership as Fidji Simo steps down due to illness, consolidating power ahead of the company's anticipated IPO.

OpenAI president Fidji Simo takes medical leave as COO Brad Lightcap shifts roles, adding to executive churn just as the AI giant files confidential IPO

OpenAI applications CEO Fidji Simo transitions to part-time advisory role due to chronic illness, raising questions about AI leadership and crypto market