PANews May 8 news, Sam Altman tweeted that OpenAI has appointed Fidji Simo as the 'CEO of the Application Division', reporting directly to Altman. Altman will continue to serve as the overall CEO of OpenAI and will further focus on research, computing power, and security matters. Simo was a former executive at Facebook, where she led products like Facebook Live, and is also the chair of the Metrodora Foundation, a neuro-immune research organization.