Fidji Simo is stepping down after taking medical leave because of a worsening chronic illness. **Driving the news:** Simo said Thursday she is stepping down as OpenAI's head of product and business after a "severe exacerbation" of Postural Orthostatic Tachycardia Syndrome (POTS),

Bloomberg the Company & Its Products The Company & its ProductsBloomberg Terminal Demo RequestBloomberg Anywhere Remote Login Bloomberg Anywhere LoginBloomberg Customer Support Customer Support. Connecting decision makers to a dynamic network of information, people and ideas, Blo