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Musk Sought Control Of OpenAI To Fund Mars City, Jury Told

Reported by Law360
May 5, 2026· 2 min read
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Key Takeaways
  • • OpenAI President Greg Brockman testified in California federal court that Elon Musk demanded "unilateral absolute control" over OpenAI as a condition for investment, allegedly to fund his Mars city development plans.
  • • Musk's proposed equity stake was characterized as flexible, with Brockman acknowledging under cross-examination that Musk indicated his ownership position would "change quickly" with additional investor participation.
  • • The testimony centers on OpenAI's for-profit conversion strategy and disputes over governance structure, with Musk's involvement and exit from the company's board now the subject of jury deliberation in federal court.
  • • The case highlights tensions between founding stakeholder interests and organizational restructuring in high-profile artificial intelligence ventures during a critical period of industry maturation.
Summary
OpenAI President Greg Brockman took the witness stand on May 5, 2026, in a California federal jury trial to defend the company's conversion to a for-profit structure while directly addressing Elon Musk's historical involvement in the organization. According to the primary testimony, Brockman accused Musk of attempting to leverage investment negotiations to secure "unilateral absolute control" over OpenAI, ostensibly to finance his ambitious plans for establishing a city on Mars.

During examination, Brockman acknowledged that Musk had proposed an investment with equity participation, though the terms included provisions for ownership dilution as additional capital investors joined the company. This characterization of Musk's stake as subject to "change quickly" with new investors suggests the equity arrangement contained variable or contingent elements tied to subsequent funding rounds. The testimony underscores a fundamental disagreement regarding governance and decision-making authority within the organization during a period of substantial capital restructuring.

The trial addresses core disputes over OpenAI's organizational evolution and the circumstances surrounding Musk's board participation and subsequent departure. Brockman's defense of the for-profit conversion strategy appears designed to establish that the restructuring served legitimate business purposes independent of any individual stakeholder's strategic objectives, while simultaneously characterizing Musk's negotiating position as an effort to subordinate institutional governance to personal projects. The jury's assessment of these competing narratives will likely establish important precedent regarding stakeholder rights and fiduciary obligations in AI-sector financing arrangements.

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Law360 Musk Sought Control Of OpenAI To Fund Mars City, Jury Told