Daniela Amodei

One day before this profile’s publication date, Reuters got an early look at Anthropic’s IPO filing — and it showed Daniela Amodei sitting at the very center of one of the most unusual governance structures in Silicon Valley (Reuters). The filing creates a “Founder LLC” made up of the company’s seven co-founders, whose majority vote directs a single Class F share carrying 50.1% of total voting power over key corporate matters, including the election of some board directors. Daniela Amodei chairs Anthropic’s board of directors. She and her brother Dario will be elected by the Class F and Class A stockholders once the IPO completes, while the remaining four directors are chosen by the company’s Long-Term Benefit Trust (Reuters).

The filing also puts a number on her standing inside the company: she was Anthropic’s second-highest-paid executive in 2025, earning $16.4 million — just behind Dario’s nearly $18 million. And it records a striking pledge: the Amodei siblings and their fellow co-founders promised in the filing to dedicate 80% of their personal Anthropic equity to charitable causes (Reuters). The same filing is candid about the tension this creates, warning that the setup could lead to decisions “that may conflict with short-, medium-, or long-term financial interests and business performance” (Reuters).

The president and the generalist

Amodei has a disarmingly simple way of describing how she and her brother run Anthropic. “If you Google CEO and President of a public company, it’s almost a perfect description of how Dario and I split our duties,” she said at Stanford’s Entrepreneurial Thought Leaders series in February 2024 (Stanford eCorner). Dario — the technical one, who thinks in five-year arcs about where generative AI is going — handles research strategy and direction. She works with the full senior leadership team on growing and scaling the company, on product and on the business side (Stanford eCorner).

She is frank that she is the non-technical one — “all my cofounders basically are technical except for me, and one other.” Her philosophy, as she put it at Stanford: “I’m not the expert in anything,” and the opportunity in general management is always “finding the right expert” (Stanford eCorner). The seven-person founding team included her brother Dario Amodei, Jared Kaplan, Jack Clark, Chris Olah, Ben Mann, Sam McCandlish, and Tom Brown — and she said the sibling dynamic worked because of “a ton of clarity on what are our zones of kind of ownership, competence and genius,” with the Collison brothers she had watched at Stripe as a kind of “training wheels” for co-founding with a sibling (Stanford eCorner).

Her management philosophy leans on an unglamorous source: twelve to fifteen years of performance reviews. “People are very strongly who they are,” she said — and people who work closely with you will describe your strengths and weaknesses with remarkably consistent themes (Stanford eCorner). What her reports tell her, she said, is that she is simultaneously a supportive manager who wants people to succeed and one who holds a high bar. She named Claire Hughes Johnson’s book Scaling People as an influence on her thinking about self-awareness and leadership (Stanford eCorner).

From literature to Silicon Valley

Amodei completed a Bachelor of Arts in English literature, politics, and music at the University of California, Santa Cruz; her passion for music earned her a partial scholarship (The Print). She was a fresh graduate in 2009, as the global financial crisis was gutting the job market, guided by a single question: “How do you build something that is of consequence and has a real purpose?” (The Print).

She went first into international development and global health, working at Conservation Through Public Health, a Uganda-based NGO focused on helping humans coexist with biodiversity and wildlife, and later into politics, taking part in campaign work for Capitol Hill (The Print). In 2013 she returned to Silicon Valley and joined Stripe — then still in its infancy — as a recruiter, helping grow the team from barely 40 employees to more than 300; she later became one of Stripe’s Risk Managers, working with engineers, machine learning experts, and lawyers to make the platform safer (The Print). At Stanford she recalled that at Stripe so much of scaling a startup came down to “how to relate to, manage, coach, and lead people” — and that a humanities background made talking about the people side easier, not harder (Stanford eCorner).

The OpenAI years and the break

Amodei moved to OpenAI in 2018, first managing the people and research engineering teams and later becoming vice president of safety and policy (Stanford eCorner). There she saw the risks gathering around increasingly powerful models — and, in 2020, she and her brother Dario, along with five other colleagues, decided to leave (The Print).

Speaking later at the Stanford Graduate School of Business, she described the decision as “kind of a crazy thing to do.” The turning point, she said, came in a conversation with a trusted mentor, who told her: “Honestly, I don’t think you really need to be on the phone with me. You already know what the right answer is” (The Times of India). She has a practical test for would-be co-founders too: before starting a company together, go on vacation together and share a room — “If you’re like, ‘Man, all I wanna do is spend more time with you,’ great. If you’re like, ‘Really, I’m gonna need a vacation to recover from my vacation,’ it might be the wrong choice” (The Times of India).

Building Anthropic

Anthropic was founded in 2021 — the name comes from the Greek anthropos, meaning human being — as a public benefit corporation whose stated aim was not just an intelligent chatbot but a system trained to think about ethics (The Print). As president, Amodei leads the teams focused on AI safety and model alignment while her brother sets the technical course (Stanford eCorner).

The company’s signature method is Constitutional AI: training Claude on a written constitution that includes the UN Universal Declaration of Human Rights and Apple’s terms of service among its source documents, so that the model reasons from a broader system of ethics rather than case-by-case human grades (The Print). In January 2026 the company published Claude’s 80-page Constitution under the subtitle “our vision for Claude’s character” (The Print). Amodei calls Claude a “patient tutor” and an “individualised professor” — an enabler of work rather than an answer machine (The Print).

Her public message is a call for a “race to the top”: by publishing its safety research, Anthropic wants to set a higher standard the rest of the industry follows (The Print). “Safety means taking a form of radical responsibility for the technology that we’re developing,” she said (The Print). That stance has had costs: when the U.S. Department of Defense ordered Anthropic to allow unrestricted use of its technology, a $200 million contract ended and Anthropic was labeled a “supply chain risk” — a designation otherwise reserved for companies like Huawei and Kaspersky — with lawsuits following (The Print). The company has also withheld models for safety reasons, including Mythos, a system whose cyber-warfare potential the team decided was not ready for release (The Print; Reuters).

The commercial side has meanwhile exploded. A $65 billion Series H round led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital pushed Anthropic’s valuation to $965 billion in 2026 — ahead of OpenAI’s $852 billion — while its revenue run rate reached $47 billion, up from $30 billion earlier in the year, driven largely by the Claude Code coding assistant (The Times of India). She and Dario were named to the TIME 100 list of the most influential people in AI in 2023 (Stanford eCorner).

Family and effective altruism

Amodei is married to Holden Karnofsky, the co-founder of the effective-altruism-based philanthropic foundation Open Philanthropy (now Coefficient Giving) (VentureBeat). The marriage threads through one of the densest networks in AI: Karnofsky sat on OpenAI’s board from 2017 to 2021, and the foundation he co-founded has steered significant money into AI safety research (VentureBeat).

What this profile does not claim

This profile states no birth date or birthplace for Amodei — no fully-read source verified them. It does not present the $7 billion Forbes net-worth estimate as its own finding; it appears only as an attributed relay. It does not name specific congressional offices or representatives from her politics years, because only tertiary bios do. It treats the dating of Anthropic’s founding carefully: her Stanford remarks place the OpenAI exit in 2020 and The Print dates the company’s founding to 2021, which is the version used here. It does not assert that Daniela Amodei personally directed the safety decisions it describes — her own account credits the research team (for Constitutional AI) and the senior leadership team (for scaling decisions) — nor does it claim the IPO filing’s Founder LLC structure has taken effect, since the filing describes an arrangement that follows the IPO’s completion.