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Former OpenAI insiders deliver damaging testimony about Sam Altman’s leadership in Musk trial

Three former OpenAI employees and associates took the witness stand during the second week of Elon Musk’s federal trial against the artificial intelligence company and its CEO, Sam Altman, and what they described was a pattern of dishonesty, sidelined safety work, and organizational chaos that paints a grim picture of the man running one of the most powerful AI companies on the planet.

The testimony, reported by Breitbart News, came from people who worked alongside Altman, not outside critics, not competitors, but former colleagues who saw the operation from the inside. Their accounts centered on what they characterized as a culture of deception under Altman’s leadership and a steady retreat from the safety-first mission that defined OpenAI’s founding.

Musk co-founded OpenAI in 2015 as a nonprofit dedicated to developing artificial intelligence for the public good. He contributed roughly $38 million between December 2015 and May 2017, as the Washington Times reported. His lawsuit alleges that Altman and OpenAI President Greg Brockman looted that charity by forging a partnership with Microsoft and converting the organization into a for-profit venture, abandoning the commitments that attracted Musk’s funding in the first place.

A safety researcher explains why she signed the reinstatement letter

Rosie Campbell, a former AI safety researcher who worked at OpenAI from 2021 to 2024, offered testimony that cut in multiple directions. Campbell told the court she signed a letter calling for Altman’s reinstatement after the OpenAI board initially ousted him as CEO, but not because she trusted him. She feared something worse.

Campbell testified:

“It was my understanding at the time that the best way for OpenAI to not disintegrate and fall about would be for Sam to return.”

Her concern was practical. She said she feared that without Altman’s return, OpenAI employees might end up working at Microsoft, a scenario she apparently viewed as even less desirable from a safety standpoint. Campbell also testified that she believed Musk’s rival AI venture, xAI, likely had an inferior approach to safety compared to OpenAI.

But Campbell’s testimony about what happened after Altman’s return was far more damaging to the CEO. When she started at OpenAI in 2021, the company maintained two dedicated teams focused on long-term AI safety. Both teams were eventually eliminated. About half of Campbell’s own team chose to leave the company rather than accept reassignment to different roles within OpenAI.

That detail matters. OpenAI’s founding purpose, the reason Musk says he invested tens of millions of dollars, was safe, responsible AI development for the benefit of humanity. If the people hired specifically to do that work were pushed out or had their teams dissolved, it raises an obvious question about whether the mission survived the money.

A board member describes ‘a culture of lying and deceit’

Tasha McCauley, a former OpenAI board member who participated in the initial decision to remove Altman as CEO, testified via deposition. Her account reinforced earlier testimony from fellow ex-board member Helen Toner about trust issues with Altman and what both described as a toxic organizational culture.

McCauley characterized Altman’s leadership as creating chaos and crisis through what she called a culture of lying and deceit. She testified that Altman’s dishonesty resulted in crisis events occurring “every few months”, a pace that suggests not isolated lapses but a recurring pattern.

One specific allegation stood out. McCauley cited an incident involving GPT-4 Turbo, in which she alleged Altman falsely claimed that OpenAI’s legal department had determined the model did not require review by an internal safety board before its launch in India. If true, that would mean the CEO of an AI company bypassed his own organization’s safety review process by misrepresenting what the lawyers said, a serious breach of the kind of governance that nonprofits, and frankly any responsible company, depend on.

McCauley also referenced an email from Ilya Sutskever, another former OpenAI board member and one of the company’s most influential early executives. That email allegedly contained dozens of pages documenting chaotic events stemming from Altman’s behavior and alleged falsehoods. The sheer volume, dozens of pages, suggests the concerns were neither new nor minor by the time the board acted.

When institutions built on public trust start operating with the transparency of a back-room poker game, the people who notice first are usually the ones closest to the table. In other recent cases of internal betrayal by authority figures, the pattern is the same: insiders raise alarms, and leadership retaliates or restructures to silence them.

Expert witness: withholding information from the board is ‘a big problem’

David Schizer, a former dean of Columbia Law School, testified as an expert witness on nonprofit governance for Musk’s legal team. His role was to evaluate whether the actions described by other witnesses aligned with OpenAI’s safety-first mission and standard nonprofit practices. His conclusion, delivered through systematic questioning by Musk’s attorney Steven Molo, was that they did not.

Schizer told the court:

“The board and CEO need to be partnering, working together, to make sure the mission is being followed.”

He added a sharper point about information flow:

“If the CEO is withholding that information, it’s a big problem.”

That framing matters because nonprofit governance depends on transparency between leadership and the board. The board exists to ensure the organization serves its charitable purpose, not the personal or financial interests of its executives. When a CEO allegedly lies to the board about safety reviews, as McCauley’s testimony suggested, the governance structure breaks down entirely.

Schizer’s testimony gave legal and institutional weight to what the other witnesses described in personal terms. Campbell saw the safety teams disappear. McCauley saw the dishonesty up close. Schizer explained why those failures aren’t just disappointing, they represent a fundamental breach of how nonprofits are supposed to operate.

The broader courtroom fight

The second-week testimony fits into a larger trial that has already produced notable courtroom moments. Jury selection began April 27, 2026, in Oakland, as Just The News reported. The trial is split into two phases: a jury-driven liability phase to determine whether wrongdoing occurred, followed by a remedies phase if it did.

The stakes are enormous. Musk is seeking up to $150 billion in damages from OpenAI and Microsoft, wants Altman removed from OpenAI’s board, and is pushing to roll back the company’s for-profit conversion, as the Washington Examiner reported. The judge, Yvonne Gonzalez Rogers, has warned Musk to stop posting aggressively about the case on social media, threatening a gag order if he continued.

Judge Gonzalez Rogers has also narrowed the trial’s scope. She told the parties the case is about OpenAI’s corporate evolution and alleged broken promises, not a broader debate over AI’s dangers to humanity. During earlier testimony, AP News reported that Musk clashed with OpenAI’s lawyer over whether the company’s capped-profit structure still violated its original nonprofit mission. Musk argued that if investor profit caps are set high enough, the company is effectively for-profit in all but name.

OpenAI denies the allegations. The company has argued there was never a promise to remain a nonprofit forever and has suggested Musk’s lawsuit is motivated by competition with his own AI venture, xAI. Under cross-examination, Musk acknowledged there was no written contract detailing the terms of his early funding, as the New York Post reported. He also acknowledged that xAI had “partly” distilled OpenAI technology, despite OpenAI’s terms of service barring distillation.

The absence of a written contract is a real legal vulnerability for Musk’s side. But the testimony from Campbell, McCauley, and Schizer shifts the focus from contract law to something harder to dismiss: the firsthand accounts of people who watched a nonprofit’s mission get hollowed out from the inside.

What the testimony reveals about Silicon Valley accountability

The pattern described in this trial is familiar to anyone who has watched Silicon Valley’s biggest players operate. A company launches with lofty promises about serving humanity. It attracts idealistic talent and philanthropic funding. Then the money gets serious, the partnerships multiply, and the original mission quietly becomes a branding exercise rather than a binding commitment.

What makes OpenAI’s case different is that it was structured as a nonprofit, a legal form that carries specific obligations. Nonprofits exist to serve a public purpose, not to enrich their executives. When a nonprofit’s CEO allegedly lies to the board about safety reviews, dissolves the teams responsible for the organization’s core mission, and creates what a board member calls a “culture of lying and deceit,” those aren’t just management failures. They are potential violations of the charitable trust that justified the organization’s tax-exempt status in the first place.

The trial also raises questions about the broader AI industry’s commitment to the safety promises it makes to the public. If OpenAI, the company that literally put “safety” at the center of its founding pitch, couldn’t maintain two dedicated safety teams, what does that say about the rest of the industry? Campbell’s testimony that roughly half her team walked away rather than accept reassignment suggests the safety work wasn’t just deprioritized. It was made untenable.

Trials, of course, present one side at a time. Altman and OpenAI will have their opportunity to respond to these claims. But the fact that the most damaging testimony came from people who worked at OpenAI, who sat on its board, who led its safety research, who initially supported Altman’s reinstatement, makes the accounts harder to wave away as the grievances of outsiders or competitors. These are insiders describing what they saw.

In other high-profile legal cases, the most consequential moments often come not from the headline players but from the witnesses who describe what happened when nobody thought the public was watching.

The trial continues. The liability phase will determine whether OpenAI broke its promises. But regardless of the verdict, the testimony from the second week has already done something the AI industry’s glossy press releases never manage: it put the internal reality of one of the world’s most influential companies on the public record.

As other institutions face their own accountability reckonings, the OpenAI trial stands as a reminder that founding documents and mission statements mean nothing if the people in charge treat them as suggestions.

When the people who built the safety mission walk out the door and the people who oversaw governance describe a culture of deception, the mission isn’t just at risk. It’s already gone.

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