OpenAI首席未来学家离职，安全团队面临新纪元

joshua achiam, openai's chief futurist and former lead of the mission alignment team, is leaving the organization later this month after nearly nine years. he told staff the departure was not motivated by a specific event but noted that the ai mission can now be advanced 'from outside the walls of a frontier lab.' achiam's role sat at the intersection of safety and policy, where he advocated for government regulations aligned with openai's charitable mission. this exit follows the departures of safety researchers jan leike, miles brundage, and steven adler, raising concerns about a brain drain in safety as the company pivots toward commercialization and a potential ipo.