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As a founder of artificial intelligence giant Anthropic, Dario Amodei is, as Time magazine declared in 2025, one of the architects of modern AI. He is also a study in contrasts. Consider:
Dario Amodei was born and grew up in San Francisco, the oldest child of Elena Engel and Riccardo Amodei. His mother was a project manager for library renovation and construction projects, and his father was a leathersmith. His sister Daniela is four years his junior. The family was close-knit, and his parents taught him “what was important in the world.”
Fascinated by science, Amodei was a member of the USA Physics Olympiad team in 2000. He enrolled at the California Institute of Technology to study physics (and later transferred to Stanford). But as early as 2003, he was publicly taking a stand on the Iraq War, writing passionately in the student newspaper: “The problem isn’t that everyone is just peachy with the idea of bombing Iraq; it’s that most people are opposed in principle but refuse to give one millisecond of their time. This needs to change, right now and without delay.”
In 2006, Amodei’s life was changed by the death of his father from hepatitis C. Within four years, the disease that claimed Riccardo Amodei’s life was likely curable. In a 2025 interview, Amodei reflected on the tension between urgency and caution: “... [M]y father died because of cures that could have happened a few years [earlier]. I understand the benefit of this technology.”
After receiving his Ph.D., Amodei went to work for Chinese technology company Baidu. While there, he noticed that increasing the resources used to train AI models seemed to improve their performance, an idea known as AI scaling. Before long, Amodei had left Baidu for Google, where he investigated the potential dangers of AI as a senior research scientist. He left after less than a year to join Elon Musk, Sam Altman, and Greg Brockman at OpenAI, the nonprofit founded in 2015 to develop artificial intelligence that would “benefit humanity as a whole.”
As vice president of research, Amodei played a pivotal role in the development of OpenAI’s GPT-2 and GPT-3 models. But as early as 2016, it became clear to some in the OpenAI leadership, including Brockman, that his approach was more cautious than some of his peers. Amodei was arguing that rather than touting the speed of AI developments to the public, the company should consult with the government.
Musk stepped away from OpenAI in 2018, but not before the company laid off employees in a way that disillusioned Amodei. The rift between Brockman and Amodei continued even as Altman tried to keep the peace. (Amodei had developed a reputation for disparaging projects he didn’t believe in.) Ultimately, the acrimony spilled over into the relationship between Altman and Amodei. By the end of 2020, Amodei and a group of OpenAI researchers, including his sister, Daniela, had left.
According to Merriam-Webster, anthropic means “of or relating to human beings or the period of their existence on earth.” The company was founded with fewer than two dozen employees in the midst of the COVID-19 pandemic.
But Anthropic was anything but a scrappy start-up. Amodei had friends in Silicon Valley, and some of them were willing to invest in his company. They included former Google CEO Eric Schmidt, who called Amodei “a brilliant scientist.” Another early investor was Sam Bankman-Fried, founder and then-CEO of cryptocurrency exchange FTX, who directed a $500 million investment in Anthropic from FTX. But Amodei saw red flags and never gave Bankman-Fried a seat on the Anthropic board of directors.
From the beginning, Anthropic’s approach to the business of AI was different from its competitors. Initially, Anthropic focused on AI models for businesses in industries such as pharmaceuticals, financial services, travel, and defense. Companies signed up in droves, and Anthropic attracted investments from major companies, including Amazon.com (AMZN). But it was the belated debut of Anthropic’s chatbot Claude that introduced the company to the general public.
Despite being a year behind ChatGPT, Claude was quickly adopted, particularly by coders, and drew an enthusiastic response for its “personality,” which was imbued with the safety features that were Anthropic’s calling card.

Amodei was increasingly becoming a high-profile voice warning of the potential harm AI could do. Speaking on a podcast in 2023, he said he thought there was a “10% to 25% chance” that AI could destroy human civilization.
In 2024, Anthropic partnered with Amazon Web Services and Palantir Technologies (PLTR) to provide AI services to the Defense Department, but said that its products couldn’t be used for autonomous weapons, malicious cyber activity, and domestic surveillance. In January 2026, Defense Secretary Pete Hegseth issued a memo saying that AI companies had to allow the government to use their technology as it saw fit. Anthropic refused to lift its restrictions, and the government subsequently designated Anthropic a “supply chain risk.” Anthropic sued to challenge the designation.
The incident again put Amodei at the center of the conversation about the risk-reward equation of AI. In September 2026, Jacob Coxon, a researcher who had worked at both Anthropic and OpenAI, resigned, warning that the companies were racing to develop increasingly powerful AI while “gambling with our lives.”
Artificial intelligence became an issue in the 2026 midterm elections as opposition to the data centers needed to power it spread across the country. Opponents raised concerns about electricity costs, water use, and the effects of AI on jobs, pushing candidates in both parties to address the issue.
Amodei published a lengthy response titled “We Must Pace the Frontier” that in the moment chilled the technology and political worlds with its call to slow the pace of AI development based on his calculus of the harm that unfettered AI could do.
Musk and Altman, along with Demis Hassabis, the chair of Google DeepMind, quickly voiced support for Amodei’s plea.
And yet, in the conclusion to his essay, Amodei seemed to be channeling the idealism of the college student agitating against the Iraq War and calling on others to act: “I continue to believe that AI can enormously improve the quality of human life,” he wrote. “My desire to achieve these benefits is undimmed. But the benefits will only be achieved if we build the technology in the right way. … [W]e owe it to humanity to try.”
This article was most recently revised and updated by Tracy Grant