High-Profile Legal Clash Emerges at SandboxAQ
A former senior executive at SandboxAQ has filed a wrongful termination lawsuit containing allegations so sensitive that the plaintiff himself chose to redact some of the most explicit claims. The case, lodged last month, centres on accusations against SandboxAQ CEO Jack Hidary and has quickly escalated into a high-stakes legal battle drawing attention across Silicon Valley.
On Friday, SandboxAQ’s legal team issued a sharply worded response, describing the former employee as a “serial liar” and asserting that the lawsuit “asserts false claims for improper and extortionate purposes.”
Even with sections blacked out, the visible portions of the complaint—obtained by TechCrunch—include allegations that could prove damaging if upheld by a court. A copy of the lawsuit has been made publicly available through court filings.
A Rare Glimpse Inside Private Arbitration Culture
The dispute provides an uncommon window into how employment lawsuits can expose internal company matters that typically remain hidden. This is largely due to the widespread use of private arbitration clauses in Silicon Valley employment contracts, which often prevent disputes from becoming public unless litigation is pursued.
The lawsuit was filed in mid-December by Robert Bender, who served as Chief of Staff to Hidary from August 2024 until July 2025, according to the complaint.
Allegations Raised by the Former Executive
Bender claims he was dismissed after raising concerns about a series of alleged incidents. According to the filing, some of these incidents involved “sexual encounters,” while others related to what he describes as misleading financial information presented to investors.
The company has categorically denied all allegations. SandboxAQ’s attorney, Orin Snyder—a prominent partner at law firm Gibson Dunn—told TechCrunch:
“This case is a complete fabrication. We look forward to debunking these baseless allegations and exposing the lawsuit — as detailed in our answer — for what it is — an opportunistic and extortionate abuse of the judicial process.”
Why the Case Has Drawn Outsized Attention
SandboxAQ’s prominence within the technology ecosystem has amplified interest in the dispute. The company is an AI and quantum computing startup that originated as a “moonshot” project within Alphabet, Google’s parent company, where it was led by Hidary. He is also widely known in Silicon Valley as a long-serving board member of the X Prize Foundation.
SandboxAQ was spun out of Alphabet in March 2022, with Hidary remaining as CEO. It rapidly attracted heavyweight backers, including billionaire and former Google CEO Eric Schmidt, who invested and became chairman. Other notable investors include Salesforce CEO Marc Benioff, venture capitalist Jim Breyer, and Bridgewater Associates founder Ray Dalio.
Unusual Redactions Raise Questions
In a separate court filing, Bender’s attorneys state that the redacted passages “describe sexual encounters and the physical condition of non-party individuals observed by Plaintiff during business travel.” Notably, these individuals are not defendants in the lawsuit.
This approach is unusual, as redactions are typically requested by the party being sued, not by the accuser. While motivations can vary—from protecting third parties to signalling leverage in settlement talks—TechCrunch reports that it could not determine the specific reasoning in this case.
Financial Claims and Corporate Response
The unredacted sections of the lawsuit allege that Hidary used company resources and investor funds to “solicit, transport, and entertain female companions.” An exhibit attached to the complaint includes a text message from Bender referencing prostitutes.
Bender also claims that Hidary sold tens of millions of dollars’ worth of personal stock at a premium valuation based on what he alleges were misleading figures shared with potential investors. According to the lawsuit, revenue figures shown to the board were allegedly 50% lower than those presented to prospective investors.
SandboxAQ’s legal team strongly disputes these claims, stating:
“The Company did not make fraudulent disclosures to investors regarding its tender offer or otherwise. The CEO did not misuse corporate assets. Plaintiff invented these inflammatory allegations to manufacture statutory claims and to insulate himself from the consequences of his own misconduct.”
Claims of Retaliation and Reputational Damage
Bender, meanwhile, argues that the company launched a campaign to damage his reputation following his termination. His complaint states that he initiated legal action “only because his termination was followed by a malicious scorched earth campaign to destroy his reputation.”
While the truth of these allegations will ultimately be determined by a jury, several of the claims echo findings from an investigative report published by The Information in July.
Media Reports and Conflicting Accounts
Sources cited by The Information alleged that Hidary used company resources to fly women he was dating on corporate jets and that SandboxAQ’s revenues were significantly below projections. Bender references this report in his lawsuit but denies being a source. SandboxAQ, however, claims that he was involved and is misrepresenting his role.
SandboxAQ’s full corporate response, which includes additional allegations against Bender, has also been made publicly available through court records.
Strong Investor Backing Despite Controversy
Despite the legal dispute, investor appetite for SandboxAQ has remained strong. In April, the company raised more than $450 million in a Series E funding round backed by Ray Dalio, Horizon Kinetics, BNP Paribas, Google, and Nvidia.
The company also completed a $90 million secondary share sale. SandboxAQ says it has now raised a total of $1 billion and is valued at $5.75 billion, according to PitchBook estimates.
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