Elon Musk

Elon Musk is the founder and chief executive officer of xAI, chief executive officer of Tesla, founder and chief executive of SpaceX, and a co-founder of OpenAI from 2015 to 2018.
Nextomoro
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Elon Musk

Elon Musk

Elon Reeve Musk is a South African-born American business executive and engineer, born June 28, 1971 in Pretoria, South Africa. He is the founder and chief executive officer of xAI, the chief executive officer of Tesla, Inc., founder of SpaceX, and a former co-founder and board member of OpenAI from December 2015 to February 2018. As of May 2026, his AI work runs across xAI (a wholly-owned SpaceX subsidiary since February 2026), Tesla AI, and the federal lawsuit against OpenAI that opened trial in Oakland in late April 2026.

At a glance

  • Education: Briefly at Queen's University (Kingston, Ontario, 1989 to 1992); transferred to the University of Pennsylvania, where he completed a BA in physics and a BS in economics from the Wharton School in 1997. Enrolled in a Stanford applied-physics PhD in 1995 and withdrew within days to start Zip2.
  • Current role: Founder and CEO of xAI, since March 2023; CEO of Tesla, since October 2008; founder and CEO of SpaceX, since 2002.
  • Key AI contributions: co-founder and co-chair of OpenAI (2015 to 2018); chief executive of Tesla through Autopilot, Full Self-Driving, Optimus, and Dojo (2008 to present); founder of xAI and the Grok model family (2023 to present).
  • Other ventures: SpaceX (founder, 2002), Neuralink (co-founder, 2016), The Boring Company (founder, 2016), X Corp (acquired October 2022).
  • X / Twitter: @elonmusk
  • Wikipedia: Elon Musk

Origins

Musk was born in Pretoria, South Africa to Errol Musk, an electromechanical engineer, and Maye Musk, a model and dietitian. He taught himself BASIC on a Commodore VIC-20 and at age 12 sold a video game, Blastar, to a computer magazine for $500. In 1989, at age 17, he emigrated to Canada through his Canadian-born mother's citizenship and enrolled at Queen's University in Kingston, Ontario. He transferred to the University of Pennsylvania in 1992 and graduated in 1997 with a BA in physics and a BS in economics from the Wharton School. He moved to California in 1995, was accepted to a Stanford applied-physics doctoral program, and withdrew within days to co-found Zip2 with his brother Kimbal Musk.

Career

Musk's pre-AI career runs through Zip2 (acquired by Compaq in February 1999 for approximately $307 million), X.com (co-founded March 1999, merged with Confinity in March 2000 to form what became PayPal, acquired by eBay in October 2002 for approximately $1.5 billion in stock), SpaceX (founded May 2002), and Tesla Motors (joined February 2004 as chairman and Series A lead investor; became chief executive officer in October 2008).

In December 2015 Musk was a co-founder of OpenAI alongside Sam Altman, Greg Brockman, Ilya Sutskever, Wojciech Zaremba, John Schulman, Andrej Karpathy, and others. The cohort committed approximately $1 billion in pledged funding; Musk reportedly contributed approximately $45 million. He served as co-chair with Altman. In February 2018 he stepped down from the board citing conflict-of-interest with Tesla's AI work, and has subsequently stated he also disagreed with the lab's strategic direction.

Tesla's AI program ran in parallel. The Autopilot program launched in 2014, transitioned to a Tesla-designed inference chip with Hardware 3 in 2019, and recruited Karpathy as Director of AI in June 2017. Karpathy led the perception team through the unified "HydraNet" architecture, presented at Tesla AI Day in August 2021; the Optimus humanoid robot was announced at the same event, and the Dojo training supercomputer roadmap was disclosed alongside. Karpathy departed in July 2022, succeeded by Ashok Elluswamy.

In October 2022 Musk completed the $44 billion acquisition of Twitter, renamed X Corp the following year. In March 2023 he founded xAI in California with a stated mission to "understand the true nature of the universe." The founding team of Igor Babuschkin, Greg Yang, Christian Szegedy, Yuhuai (Tony) Wu, Jimmy Ba, and Manuel Kroiss was recruited from Google DeepMind, OpenAI, and Google Brain. Grok-1 launched in November 2023 with X integration; its 314-billion-parameter weights were released openly on Hugging Face in March 2024.

In March 2024 Musk filed suit against OpenAI in San Francisco Superior Court alleging breach of the original founding agreement. He withdrew the suit in June 2024 and refiled in federal court in August 2024, naming Altman, Brockman, and others as defendants. The trial opened in Oakland in late April 2026; relief sought includes the removal of Altman and Brockman from their OpenAI roles.

xAI's compute build-out has been the operating focus since 2024. Construction on the Memphis "Colossus" supercomputer began in July 2024; the initial 100,000-NVIDIA-GPU deployment completed in 122 days, and the cluster reached 555,000 GPUs at 2 GW total capacity by January 2026. On February 2, 2026, SpaceX announced the all-stock acquisition of xAI at a $250 billion valuation, producing a combined entity valued at $1.25 trillion ahead of an anticipated SpaceX IPO. Through 2025 and 2026 Musk also held a federal advisory role with the Department of Government Efficiency under the Trump administration that affected his time allocation across his companies.

Affiliations

  • OpenAI: Co-founder and co-chair, 2015-12 to 2018-02. Departed the board citing conflict-of-interest with Tesla AI work.
  • Tesla AI: Chief Executive Officer of Tesla, Inc., 2008-10 to present. Maintains direct oversight of AI strategy across Full Self-Driving, Optimus, and Dojo.
  • xAI: Founder and Chief Executive Officer, 2023-03 to present.

Notable contributions

Musk's record across AI organizations spans co-founding, operating leadership, and capital deployment rather than research authorship.

  • OpenAI co-founding (December 2015). One of the eleven publicly named co-founders of the lab. Reportedly contributed approximately $45 million before his February 2018 departure.
  • Tesla AI program leadership (2014 to present). Public face for Tesla's vision-only autonomy approach across Hardware 2 (2016), Hardware 3 (2019), Hardware 4 (2023), and the in-development AI5 chip. Recruited Andrej Karpathy in 2017 and oversaw the 2024 transition of Full Self-Driving V12 to an end-to-end neural-network architecture. Announced Optimus in August 2021, Dojo in 2021, and the Cybercab Robotaxi in October 2024.
  • xAI founding (March 2023). Founder and chief executive of the lab. Strategic direction across the Grok model family (Grok 1 in November 2023 through Grok 4.20 in 2026), the Aurora image model (December 2024), and the Colossus supercomputer in Memphis.
  • Memphis Colossus (July 2024 to present). Initial 100,000-GPU deployment completed in 122 days; expansion to 555,000 GPUs at 2 GW total capacity announced January 2026.
  • OpenAI lawsuit (March 2024 to present). Filed in San Francisco Superior Court, withdrawn in June 2024, refiled in federal court in August 2024. The Oakland trial opened in late April 2026.
  • Public-talk record. Lex Fridman Podcast #400 (November 2023) covers AI and xAI; the xAI announcement on July 12, 2023 sets out the founding rationale.

Investments and boards

Musk's AI footprint is concentrated in his founding and operating roles rather than a parallel angel-investing program. The entries below are limited to AI, semiconductors, datacenters, software, and energy.

  • xAI (AI): Founder and Chief Executive Officer, 2023 to present. Wholly-owned SpaceX subsidiary following the February 2026 all-stock acquisition at a $250 billion valuation.
  • Tesla, Inc. (AI / Energy / Software): Chief Executive Officer and largest individual shareholder, 2008 to present. Tesla AI division includes Full Self-Driving, Optimus, the Dojo training compute, and the in-vehicle inference compute lineage.
  • SpaceX (Datacenters): Founder and Chief Executive Officer, 2002 to present. Acquirer of xAI in February 2026; combined entity has framed orbital data centers as a future infrastructure thesis.
  • Cursor (AI / Software): xAI option to acquire announced April 2026, under which xAI holds the right to acquire Anysphere for $60 billion later in 2026 or to pay $10 billion for ongoing collaborative work.
  • Neuralink (AI / Software): Co-founder and director, 2016 to present. Brain-computer interface company; first human implantation reported in early 2024.

Outside the AI sector, Musk's other holdings include The Boring Company (founder, 2016) and X Corp (acquired October 2022).

Network

Musk's longest-running AI relationship is with Sam Altman, with whom he co-chaired OpenAI from December 2015 to February 2018. The relationship became publicly adversarial through the 2020s and is the subject of the federal lawsuit that opened trial in Oakland in late April 2026. The OpenAI co-founding cohort also included Greg Brockman, Ilya Sutskever, Wojciech Zaremba, John Schulman, and Andrej Karpathy; Karpathy subsequently joined Tesla under Musk from 2017 to 2022.

At Tesla, Musk has worked with senior AI leadership including Ashok Elluswamy and Milan Kovac. At xAI, the founding team includes Igor Babuschkin (formerly Google DeepMind; engineering lead through August 2025, when he departed to launch Babuschkin Ventures with a reported $200 million Musk commitment as a limited partner), Greg Yang (formerly Microsoft Research; informal advisor since January 2026), Christian Szegedy (formerly Google Research; departed February 2025 to join Morph Labs and later found Math Inc), Yuhuai (Tony) Wu (departed February 10, 2026), and Jimmy Ba (departed February 2026).

The "PayPal mafia" cohort from the X.com and PayPal era includes Peter Thiel, Reid Hoffman, and David Sacks. Larry Page, the Google co-founder, was a personal friend in the 2000s and early 2010s; the friendship reportedly cooled over disagreements about AI safety, and Google's January 2014 acquisition of DeepMind is one of the events Musk has cited as motivating his later OpenAI co-founding.

Position in the field

As of May 2026, Musk is one of a small number of figures who have founded a frontier AI lab while operating two other large technology companies in parallel. The combination of xAI, Tesla AI, and SpaceX (which acquired xAI in February 2026) is structurally distinctive. The Memphis Colossus compute footprint at 555,000 GPUs and the integration of Grok into X and Tesla place xAI among the four labs commonly grouped at the frontier alongside OpenAI, Anthropic, and Google DeepMind.

xAI's benchmark position ranks fourth or fifth across most measures as of April 2026, with the Artificial Analysis Intelligence Index reporting Grok 4.20 at 49.33 against GPT-5.5 at 60.24 and Claude Opus 4.7 at 57.28. Industry coverage has noted the gap between xAI's compute investment and benchmark output relative to higher-ranked labs. Tesla AI sits in a different competitive frame: vehicle-fleet deployment metrics, Optimus, and the Cybercab Robotaxi rather than standardized AI leaderboards.

The OpenAI lawsuit is the most-covered single thread in Musk's AI record. Industry coverage has also cited the cross-Musk distribution arrangements, with Grok integrated into X and Tesla, as a structural advantage no other frontier lab can match. The 2025 federal advisory role under the Trump administration affected his time allocation across Tesla, SpaceX, and xAI.

Outlook

Open questions over the next 6 to 18 months:

  • Outcome of the OpenAI lawsuit. The Oakland trial includes the request to remove Sam Altman and Greg Brockman from their OpenAI roles; the substantive verdict and any settlement are the principal near-term legal signals.
  • xAI compute and benchmark trajectory. Whether the larger Colossus deployment closes the benchmark gap to OpenAI, Anthropic, and Google DeepMind, and whether the SpaceX merger rationale around orbital data centers produces concrete launch milestones.
  • SpaceX IPO timing. xAI's future capital flows run through SpaceX following the February 2026 merger.
  • Cursor option. The April 2026 xAI option to acquire Cursor for $60 billion or the alternative $10 billion collaboration remains pending.
  • Tesla AI commercial milestones. The Cybercab production timeline through 2026 to 2027, the Optimus rollout outside Tesla manufacturing facilities, and the Tesla AI5 in-vehicle inference chip release.
  • Time-allocation pattern. Whether Musk's combined commitments across xAI, Tesla, SpaceX, and X Corp continue to follow the post-2025 federal-advisory cadence or move toward concentrated focus on one or two organizations.

Sources

Person OpenAI Tesla AI xAI
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