OpenAI's Fidji Simo takes medical leave, announces leadership changes

Fidji Simo, OpenAI's product and business chief, announced she is taking medical leave to manage a worsening neuroimmune condition called POTS (Postural Orthostatic Tachycardia Syndrome, a disorder that makes it hard to keep blood pressure steady). She also announced several leadership changes, including that OpenAI President Greg Brockman will oversee product during her absence, and that marketing chief Kate Rouch is stepping down to focus on cancer recovery.