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Dossier · compiled from public sources
Elon Musk
Technoking and CEO of Tesla and a Tesla director, CEO, CTO and chairman of SpaceX, and one of the two co-chairs named in OpenAI’s 2015 launch post.
Facts last checked 2 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
Founder at The Boring Company (start not stated, current)
Tesla’s 10-K/A says he is a founder of The Boring Company; no founding date is given.
CEO at Neuralink (start not stated, current)
Founder at Neuralink (start not stated, current)
Tesla’s 10-K/A says he is a founder of Neuralink; no founding date is given.
CEO, CTO and Chairman at SpaceX (Space Exploration Technologies Corp.) (from May 2002, current)
Tesla’s 10-K/A gives these titles at SpaceX, held since May 2002.
Technoking and CEO at Tesla (from Oct 2008, current)
Tesla’s 10-K/A says he is the Technoking of Tesla and has been its Chief Executive Officer since October 2008.
CTO and board member at X Corp. (from Oct 2022, until Mar 2025)
Tesla’s 10-K/A says the role ran through the March 2025 merger of X and xAI.
CEO and board member (X.AI Corp.) at xAI (X.AI Corp., and X.AI Holdings Corp. after the 2025 merger with X) (from Mar 2023, until Mar 2025)
Tesla’s 10-K/A says the role ran through the March 2025 merger of X and xAI.
President, Treasurer, CEO and director (X.AI Holdings Corp.) at xAI (X.AI Corp., and X.AI Holdings Corp. after the 2025 merger with X) (from Mar 2025, end not stated)
Tesla’s 10-K/A describes the role in the past tense and says X.AI Holdings Corp. became a SpaceX subsidiary in February 2026; whether and when the role ended is not stated.
Co-chair at OpenAI (by 11 Dec 2015, end not stated)
Named as one of OpenAI’s two co-chairs in its launch post; no source read states when or whether the role ended.
Co-founder at PayPal (start not stated, end not stated)
Tesla’s 10-K/A says he co-founded PayPal, which eBay acquired in October 2002; no founding date is given.
Co-founder at Zip2 (start not stated, end not stated)
Tesla’s 10-K/A says he co-founded Zip2, which Compaq acquired in March 1999; no founding date is given.
Board seats
Board seat on the Tesla board of directors (from Apr 2004, current)
Tesla’s 10-K/A says he has been a member of the board since April 2004.
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.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
Microsoft, 23 Jan 2023; OpenAI, undated page; OpenAI, 31 Mar 2026
Amazon committed capital to OpenAI’s funding round (by 31 Mar 2026, end not stated)
OpenAI announced on 2026-02-27 new investment that includes Amazon, and on 2026-03-31 that it had closed the round with committed capital, anchored by Amazon, NVIDIA and SoftBank.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 27 Feb 2026; OpenAI, 31 Mar 2026
NVIDIA committed capital to OpenAI’s funding round (by 31 Mar 2026, end not stated)
OpenAI announced on 2026-02-27 new investment that includes NVIDIA, and on 2026-03-31 that it had closed the round with committed capital, anchored by NVIDIA, Amazon and SoftBank. NVIDIA said on 2025-09-22 that it intended to invest in OpenAI under a letter of intent, and its annual report for the year ended 2026-01-25 said it was finalizing an agreement with OpenAI, and also said there was no assurance that an agreement would be entered into with OpenAI or that a transaction would be completed.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 27 Feb 2026; OpenAI, 31 Mar 2026; NVIDIA, 22 Sep 2025; NVIDIA, undated page
SoftBank committed capital to OpenAI’s funding round (by 31 Mar 2026, end not stated)
OpenAI announced on 2026-02-27 new investment that includes SoftBank, and on 2026-03-31 that it had closed the round with committed capital, anchored by SoftBank, Amazon and NVIDIA; SoftBank co-led it.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 27 Feb 2026; OpenAI, 31 Mar 2026
Sam Altman was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Amazon was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Listed in OpenAI’s launch post as Amazon Web Services, among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Greg Brockman was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Reid Hoffman was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Infosys was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Jessica Livingston was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Elon Musk was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
Peter Thiel was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
YC Research was named as a donor that committed to support OpenAI (by 11 Dec 2015, end not stated)
Named in OpenAI’s launch post among the funders donating to support it; the post gives one combined commitment for all of them and no individual amount.
The dates given do not settle whether this fell inside the role; at least one is an announcement date or is not stated.
This is a commitment, not a completed act. OpenAI, 11 Dec 2015
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.
Elon Musk and Sam Altman
- Both held a role at OpenAI (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.
Elon Musk and Dario Amodei
- Both held a role at OpenAI (the dates given do not settle this: at least one is an announcement date or is not stated).
- Amazon is named as a funder of OpenAI, a company where Elon Musk held a role, and of Anthropic, a company where Dario Amodei 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 OpenAI, a company where Elon Musk held a role, and of Anthropic, a company where Dario Amodei 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 OpenAI, a company where Elon Musk held a role, and of Anthropic, a company where Dario Amodei held one (OpenAI: a commitment; Anthropic: 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.
Elon Musk and Jensen Huang
- NVIDIA committed capital to OpenAI’s funding round (a commitment). NVIDIA is a company where Jensen Huang held a role, and OpenAI one where Elon Musk 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.
Elon Musk and Andrej Karpathy
- Both held a role at OpenAI (the dates given do not settle this: at least one is an announcement date or is not stated).
- Both held a role at Tesla.
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.
Tesla’s 10-K/A, with biographical information as of this date, lists Elon Musk as Technoking and CEO since October 2008 and a director since April 2004, and as CEO, CTO and Chairman of SpaceX since May 2002.
Tesla’s 10-K/A says X.AI Holdings Corp., of which Elon Musk had been President, Treasurer, CEO and a director, became a subsidiary of SpaceX in February 2026.
Tesla’s 10-K/A says X and xAI merged in March 2025, and that Elon Musk’s roles at X Corp. and X.AI Corp. ran through that merger.
OpenAI announced its launch as a non-profit research company with Sam Altman and Elon Musk as co-chairs, and said its funders had committed $1 billion in total, of which it expected to spend a tiny fraction in the next few years.
Their part of the graph
- Founded
- Held a role
- Board seat
- Donated to
- 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
OpenAI
Sources
- Introducing OpenAI · OpenAI · primary source · published 11 Dec 2015 · read 1 Nov 2026
- Microsoft and OpenAI extend partnership · Microsoft · primary source · published 23 Jan 2023 · read 1 Nov 2026
- NVIDIA annual report on Form 10-K, fiscal year ended January 25, 2026 · NVIDIA, filed with the SEC · primary source · undated page · read 1 Nov 2026
- OpenAI and NVIDIA Announce Strategic Partnership to Deploy 10 Gigawatts of NVIDIA Systems · NVIDIA · primary source · published 22 Sep 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
- Our structure · OpenAI · primary source · undated page · read 1 Nov 2026
- Scaling AI for everyone · OpenAI · primary source · published 27 Feb 2026 · read 1 Nov 2026
- Tesla annual report on Form 10-K/A for fiscal year 2025 (Part III: directors and executive officers, biographical information as of April 30, 2026) · Tesla, filed with the SEC · primary source · undated page · read 2 Nov 2026
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