Anthropic's $2 Trillion IPO Puts Powerful External Trustees in the Spotlight

As Anthropic prepares a blockbuster IPO that could value the Claude maker at up to $2 trillion, its Long-Term Benefit Trust — a small group of external trustees with the power to appoint or dismiss a majority of the board — is drawing intense scrutiny. Critics call the profit-vs-purpose structure a 'built-in conflict'; supporters see it as a blueprint for AI governance. The trust has yet to face a true test of whether it can constrain leadership when commercial and societal goals diverge.

Key Takeaways

As Anthropic prepares a blockbuster IPO that could value the Claude maker at up to $2 trillion, its Long-Term Benefit Trust — a small group of external trustees with the power to appoint or dismiss a majority of the board — is drawing intense scrutiny.
Critics call the profit-vs-purpose structure a 'built-in conflict'; supporters see it as a blueprint for AI governance.
The trust has yet to face a true test of whether it can constrain leadership when commercial and societal goals diverge.

AI synthesis3 sources8

Anthropic's planned stock-market debut — which could value the maker of Claude at as much as $2 trillion — is putting an unusual governance experiment under the microscope. Control of the company's board does not rest with profit-seeking shareholders alone: a small external body called the Long-Term Benefit Trust (LTBT) has the right to appoint or dismiss a majority of the seven directors, and has already selected four of them, including Netflix co-founder Reed Hastings and Novartis CEO Vas Narasimhan.

The trust holds no equity in Anthropic. Created to safeguard the lab's mission of developing AI for the long-term benefit of humanity, it currently has three of a possible five members: chair Neil Buddy Shah, CEO of the Clinton Health Access Initiative; former Federal Reserve chair Ben Bernanke, who joined in July; and Richard Fontaine, CEO of the Center for a New American Security. A fourth member, former California Supreme Court justice Mariano-Florentino Cuéllar, left after a few months to become Anthropic's chief global affairs officer.

Trustees receive advance notice of major company actions — including new model launches — meet weekly among themselves and talk with leadership as often as every other week. People familiar with the arrangement say they have weighed in on the limited rollout of Anthropic's Mythos cybersecurity model and on the company's dispute with the US government over automated weapons. So far, however, the trust has operated largely in an advisory capacity and has never forced a hard trade-off between profit and purpose.

That is exactly what worries governance experts as the lossmaking company heads toward public markets. "The company raises funds from profit-seeking investors, then lets self-appointed individuals decide how much profit to sacrifice for the firm's mission," Harvard Law School professor Jesse Fried wrote in a recent paper, calling the structure a "built-in conflict." The OpenAI board's failed attempt to oust Sam Altman in November 2023 remains the cautionary tale for such mission-guardian models.

Anthropic's trust is seen as the less risky variant — it has a built-in "kill switch" allowing trustees to be removed by a supermajority of 85 percent of shareholder voting power, a threshold that could change after the IPO. People close to the company say the ambition is for the LTBT to become a template for AI governance, much as GAAP accounting standards once emerged from voluntary private proposals. Whether the model survives contact with quarterly earnings pressure is, for now, an open question.