OpenAI fired Beiermeister, the vice president leading its product policy team, citing a discrimination allegation from a colleague — an accusation she called 'absolutely false.' She had opposed ChatGPT's planned 'adult mode' feature, and she and subsequent reporting allege the termination was retaliation for raising safety concerns. The dispute is unresolved.

Early member of xAI's post-training team who led post-training and research infrastructure for the Grok models, and became an internal advocate for AI safety — warning that Grok lacked adequate safeguards against discrimination, weapons-related outputs, and political bias. According to his June 2026 wrongful-termination lawsuit, xAI fired him in September 2025, days before he was due to present his safety findings, with co-founder Jimmy Ba telling him they should "go their separate ways."

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.

Lost confidence in OpenAI leadership's ability to handle AGI responsibly. Forfeited approximately $1.7M in vested equity by refusing to sign a non-disparagement agreement.

Resigned from Google's Ethical AI team after the firings of Timnit Gebru and Margaret Mitchell. Said the company was not serious about ethical AI research. Joined Gebru's DAIR Institute.

Departed alongside Alex Hanna to join Timnit Gebru's DAIR Institute as Director of Research. The dismissals of Gebru and Margaret Mitchell weighed heavily on his decision to leave.

Fired after searching company emails for evidence of discrimination related to Timnit Gebru's ouster. Google cited violations of security policies.

Resigned after 16 years at Google in protest of Timnit Gebru's firing. Said her exit 'extinguished my desire to continue as a Googler' and added: 'We cannot say we believe in diversity, and then ignore the conspicuous absence of many voices from within our walls.'

Resigned citing Google's mistreatment of Timnit Gebru. Part of the wave of protest resignations following the Ethical AI team leadership firings.

Forced out after co-authoring a paper on the harms of large language models ('On the Dangers of Stochastic Parrots'). Google objected to publication and demanded she retract or remove her name.

Resigned citing retaliation for organizing the 2018 Google Walkout protesting sexual misconduct handling. Said Google forced her to 'abandon her work' on AI ethics. Wrote: 'It's clear Google isn't a place where I can continue this work.' Co-founded the AI Now Institute at NYU.