Resigned over ChatGPT advertising plans. Wrote a New York Times op-ed warning that OpenAI would exploit users' intimate conversational data to serve targeted ads.

Left after concluding it had become difficult to publish research that didn't align with OpenAI's commercial interests. Accused the economic research team of functioning as a 'de facto advocacy arm' rather than conducting genuine research, specifically citing suppression of findings about AI's negative economic impacts.

Said 'Neither OpenAI nor any other frontier lab is ready' for AGI. Noted OpenAI placed increasingly restrictive limits on what he could publish. The AGI Readiness team was disbanded after his departure.

Left over concerns about copyright law violations in ChatGPT's training data. Said 'If you believe what I believe, you have to just leave the company.' Became a public critic of OpenAI's use of copyrighted data.

Policy researcher who resigned hours before Ilya Sutskever and Jan Leike announced their departures, writing that she made her decision independently and shared their concerns, along with "additional and overlapping" ones. She cited the need for better decision-making processes, accountability, transparency, documentation, and policy enforcement, and warned that one way tech companies disempower those seeking accountability is "to sow division among those raising concerns."

OpenAI fired Aschenbrenner, citing an alleged information leak. Aschenbrenner has said he believes a security memo he shared with board members — warning that OpenAI's security was insufficient to protect model weights — was a major factor. The competing accounts are unresolved. He later published 'Situational Awareness,' arguing AGI is imminent and labs are unprepared.