Turnovers at that ChatGPT maker continue. The company’s chief futurist, Joshua Achiam, and AGI head, Fidji Simo, announced their departures earlier this week. Now Johannes Heidecke, who has overseen OpenAI’s safety efforts, is out, as ChatGPT 5.6 rolls out and raises some alarms. [Media: https://twitter.com/zeffmax/status/2075750608745972148?s=46&t=fRkDIqgNCkTkvg8ZBiLA9A]

GPT-5.6 impresses the critics, but Fidji Simo's exit leaves OpenAI's focus — and its org chart — in flux. PLUS: Meta plays catch-up, and the "AI 2027" authors present "AI 2040."

Johannes Heidecke’s departure comes as OpenAI tries to further integrate its research and safety teams.

Johannes Heidecke, OpenAI's head of safety systems, is leaving the company. Vice president of research and head of alignment Mia Glaese will take on an expanded role overseeing…