OpenAI's Fidji Simo takes medical leave, announces leadership changes
OpenAI's product chief is out on medical leave. Greg Brockman steps in as interim product head.

Why it matters
Leadership instability at OpenAI continues as another C-suite executive takes leave, with co-founder Brockman now juggling multiple roles during a critical growth phase.
The key facts
2 to knowFidji Simo taking medical leave from OpenAI President role
Greg Brockman assuming interim product oversight responsibilities
Go to the source
CNBC Technologycnbc.com
Publisher excerpt: OpenAI President Greg Brockman will oversee product in Simo's absence.
