Dossier · compiled from public sources
Dario Amodei
Co-founder and CEO of Anthropic and a member of its board; he worked at OpenAI from 2016 and left as its VP of Research, announced in December 2020.
Facts last checked 1 Nov 2026. Each source was read on the day shown in the source list. A profile is due for a fresh read of its sources after 180 days.
Roles
CEO at Anthropic (by 28 May 2021, current)
Co-founder at Anthropic (by 28 May 2021, current)
Anthropic’s leadership page lists him as a co-founder; its first funding post is dated 2021-05-28.
Researcher; VP of Research at his departure at OpenAI (by 16 Aug 2016, ending by 29 Dec 2020, the date of the announcement)
OpenAI announced his hire on 2016-08-16 and, on 2020-12-29, that he was leaving as VP of Research. The end is the date of that announcement.
Board seats
Board seat on the Anthropic board of directors (start not stated, current)
Also listed on the Anthropic board of directors
From the same sources, as listed on the day each was read; start dates are given only where a source gives one.
- Chris Liddell
- Daniela Amodei
- Reed Hastings
- Vas Narasimhan
- Yasmin Razavi
Funding
Money put into the companies above while the role and the funding may overlap, and by companies of this person into others. Funders are a selection: the donors a launch post names, anchors and leads of a round, and stated investments. They are not a complete list.
Microsoft invested in OpenAI (from 2019, current)
Microsoft’s 2023 post refers to earlier investments in 2019 and 2021; OpenAI says Microsoft holds roughly 27% of OpenAI Group after the 2025 recapitalization, and that Microsoft continued to take part in its 2026 round.
Microsoft, 23 Jan 2023; OpenAI, undated page; OpenAI, 31 Mar 2026
Altimeter Capital took part in Anthropic’s funding round (by 28 May 2026, end not stated)
Named a lead of the Series H announced 2026-05-28.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Dragoneer took part in Anthropic’s funding round (by 28 May 2026, end not stated)
Named a lead of the Series H announced 2026-05-28; Anthropic’s Series G post names it a co-lead of that round.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Greenoaks took part in Anthropic’s funding round (by 28 May 2026, end not stated)
Named a lead of the Series H announced 2026-05-28.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Sequoia Capital took part in Anthropic’s funding round (by 28 May 2026, end not stated)
Named a lead of the Series H announced 2026-05-28.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Coatue took part in Anthropic’s funding round (by 12 Feb 2026, end not stated)
Led the Series G announced 2026-02-12 with GIC; Anthropic’s Series H post names it a co-lead of that round.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
GIC took part in Anthropic’s funding round (by 12 Feb 2026, end not stated)
Led the Series G announced 2026-02-12 with Coatue; Anthropic’s Series H post names it a co-lead of that round.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Microsoft committed to invest in Anthropic (from 18 Nov 2025, end not stated)
Announced that Microsoft is committing to invest in Anthropic, with an upper limit it states. Anthropic’s Series G post says that round includes part of the investments announced earlier by Microsoft and NVIDIA.
This is a commitment, not a completed act. Anthropic, 18 Nov 2025; Anthropic, 12 Feb 2026
NVIDIA committed to invest in Anthropic (from 18 Nov 2025, end not stated)
Announced that NVIDIA is committing to invest in Anthropic, with an upper limit it states. Anthropic’s Series G post says that round includes part of the investments announced earlier by Microsoft and NVIDIA.
This is a commitment, not a completed act. Anthropic, 18 Nov 2025; Anthropic, 12 Feb 2026
ICONIQ took part in Anthropic’s funding round (by 2 Sep 2025, end not stated)
Led the Series F announced 2025-09-02; Anthropic’s Series G and Series H posts name it a co-lead of those rounds.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Anthropic, 2 Sep 2025; Anthropic, 12 Feb 2026; Anthropic, 28 May 2026
Amazon invested in Anthropic (by 22 Nov 2024, end not stated)
Anthropic’s 2024-11-22 post announces a further investment from Amazon that brings Amazon’s total to $8 billion, and calls Amazon a minority investor. Its Series H post (2026-05-28) says that round includes previously committed investments from hyperscalers, including $5 billion from Amazon.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
What their companies have in common
Worked out from the relationships, never typed. This is about company funding only. It does not say the two people have a personal, financial or working relationship.
Dario Amodei and Sam Altman
- Both held a role at OpenAI.
- Amazon is named as a funder of Anthropic, a company where Dario Amodei held a role, and of OpenAI, a company where Sam Altman held one (OpenAI: a commitment) (the dates given do not settle this: at least one is an announcement date or is not stated).
- Microsoft is named as a funder of Anthropic, a company where Dario Amodei held a role, and of OpenAI, a company where Sam Altman held one (Anthropic: a commitment) (the dates given do not settle this: at least one is an announcement date or is not stated).
- NVIDIA is named as a funder of Anthropic, a company where Dario Amodei held a role, and of OpenAI, a company where Sam Altman held one (Anthropic: a commitment; OpenAI: a commitment) (the dates given do not settle this: at least one is an announcement date or is not stated).
This is about company funding only. It does not say the two people have a personal, financial or working relationship.
Dario Amodei and Jensen Huang
- NVIDIA committed to invest in Anthropic (a commitment). NVIDIA is a company where Jensen Huang held a role, and Anthropic one where Dario Amodei did (the dates given do not settle this: at least one is an announcement date or is not stated).
This is about company funding only. It does not say the two people have a personal, financial or working relationship.
Dated news
Chosen by hand, not fetched live. Each line says who announced or reported what; “as reported by” would mark a secondary source. Newest first.
Anthropic announced a $65 billion Series H at a $965 billion post-money valuation, led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital.
Anthropic announced a $30 billion Series G at a $380 billion post-money valuation, led by GIC and Coatue.
Anthropic, Microsoft and NVIDIA announced partnerships in which NVIDIA and Microsoft are committing to invest up to $10 billion and up to $5 billion respectively in Anthropic.
Anthropic announced a $13 billion Series F at a $183 billion post-money valuation, led by ICONIQ and co-led by Fidelity Management & Research Company and Lightspeed Venture Partners.
Anthropic announced a further $4 billion investment from Amazon, bringing Amazon’s total to $8 billion, and described Amazon as a minority investor.
Anthropic announced a $124 million Series A led by Jaan Tallinn, and named Dario Amodei as its CEO.
OpenAI announced that Dario Amodei, VP of Research, was leaving after nearly five years; it said he and a handful of colleagues were planning a new project.
Their part of the graph
- Founded
- Held a role
- Board seat
- Invested in
- In a funding round
- Thinner and fainter: a commitment, not a completed act
- Person
- Company
- Board
- Investor or donor
Roles and board seats
Funding, by company
Anthropic
OpenAI
Sources
- Anthropic raises $124 million to build more reliable, general AI systems · Anthropic · primary source · published 28 May 2021 · read 1 Nov 2026
- Anthropic raises $13B Series F at $183B post-money valuation · Anthropic · primary source · published 2 Sep 2025 · read 1 Nov 2026
- Anthropic raises $30 billion in Series G funding at $380 billion post-money valuation · Anthropic · primary source · published 12 Feb 2026 · read 1 Nov 2026
- Anthropic raises $65B in Series H funding at $965B post-money valuation · Anthropic · primary source · published 28 May 2026 · read 1 Nov 2026
- Company (board of directors) · Anthropic · primary source · undated page · read 1 Nov 2026
- Leadership at Anthropic · Anthropic · primary source · undated page · read 1 Nov 2026
- Microsoft and OpenAI extend partnership · Microsoft · primary source · published 23 Jan 2023 · read 1 Nov 2026
- Microsoft, NVIDIA, and Anthropic announce strategic partnerships · Anthropic · primary source · published 18 Nov 2025 · read 1 Nov 2026
- OpenAI raises $122 billion to accelerate the next phase of AI · OpenAI · primary source · published 31 Mar 2026 · read 1 Nov 2026
- Organizational update from OpenAI · OpenAI · primary source · published 29 Dec 2020 · read 1 Nov 2026
- Our structure · OpenAI · primary source · undated page · read 1 Nov 2026
- Powering the next generation of AI development with AWS · Anthropic · primary source · published 22 Nov 2024 · read 1 Nov 2026
- Team update · OpenAI · primary source · published 16 Aug 2016 · read 1 Nov 2026
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