Trump’s AI Safety Chief Resigns After Just Three Months

The leadership of the U.S. government’s AI safety efforts has changed once again after Chris Fall, director of the Center for AI Standards and Innovation (CAISI), stepped down only three months after taking the role.

CAISI confirmed Fall’s resignation to multiple news outlets, but no official reason has been provided for his departure. His exit marks another leadership shake-up for the agency, which has seen several high-profile departures in recent months.

Fall took over the position after Collin Burns left the job in less than a week. According to The Washington Post, Burns was reportedly pushed out in April because he had previously worked at Anthropic, a company that was involved in disputes with the Trump administration at the time.

Before joining CAISI, Fall held several senior government positions. During the first Trump administration, he served as director of the Department of Energy’s Office of Science and also worked as acting director of the DOE’s Advanced Research Projects Agency-Energy (ARPA-E). Earlier in his career, he worked in the Department of Energy’s Office of Naval Research (ONR).

Prior to Burns and Fall, the agency was led by venture capitalist David Sacks, who served as the White House AI and crypto czar before stepping down in March.

CAISI operates under the National Institute of Standards and Technology (NIST) and is responsible for developing technical standards, testing methods for artificial intelligence models, and assessing AI-related cybersecurity risks. However, despite its central role in AI safety, the agency has been noticeably absent from several major AI policy developments this year.

One of the biggest controversies came in June when the U.S. Department of Commerce used an export control directive that effectively forced Anthropic to withdraw its Mythos and Fable AI models from the market. The restrictions were lifted before the end of the month after Commerce Secretary Howard Lutnick said he was satisfied with Anthropic’s safety plans.

Earlier this month, the White House also introduced a new AI safety oversight initiative called Gold Eagle through an executive order. The program is designed to coordinate cybersecurity vulnerability reporting across federal agencies. While organizations such as the Department of Commerce and the Department of Homeland Security were included, CAISI was notably absent from the list.

The agency’s future role has also come into question as industry leaders propose alternative approaches to AI governance. After Anthropic’s models returned to the market, Google DeepMind CEO Demis Hassabis called for an independent, industry-led standards organization for frontier AI, modeled after the Financial Industry Regulatory Authority (FINRA). The proposal closely resembles the mission CAISI was originally created to fulfill.

Fall’s resignation also comes during renewed debate over Chinese artificial intelligence models. Over the weekend, discussions intensified following the release of a new version of Chinese AI lab Moonshot’s open-weight Kimi model, which reportedly performed competitively against leading frontier AI systems.

According to Axios, the Trump administration has been considering measures that could restrict or ban Chinese open AI models. The reports immediately triggered widespread discussion across the AI industry, including criticism from former White House AI and crypto czar David Sacks.

Sacks argued that AI regulations should not be used as a protectionist tool to shield U.S.-based proprietary AI companies from international competition.

Although CAISI has published reports evaluating Chinese open-weight models such as Z.ai’s GLM-5.2 and DeepSeek V4 Pro, the agency has shared very little information about how it conducts large language model (LLM) testing and evaluations. Open-weight models allow users to download and run the models locally, although their training code and datasets remain unavailable.

TechCrunch reported that since July 9 it has repeatedly requested details from both the Department of Commerce and NIST regarding CAISI’s evaluation process. As of publication, neither agency had responded.

With another director departing after only a short tenure, questions continue to grow over the future direction of CAISI and its role in shaping U.S. AI safety standards amid increasing competition and regulatory uncertainty.

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