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Arvid Lunnemark

Unicorn founder

Founder at Cursor

San Francisco, CA

FoundedCursor$60B

30 Under 30 2025 · AI

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About

Arvid Lunnemark co-founded Anysphere, the company behind the AI code editor Cursor, in 2022 with three MIT classmates, and became a billionaire on its $29.3 billion Series D — then left in October 2025, months before SpaceX's record $60 billion acquisition, to found Integrous Research, an AI-safety lab. A Swede from Malmö who won IOI gold for Sweden in 2018, he studied mathematics and computer science at MIT and writes about cryptography and surveillance risk at arvid.xyz.

Beyond investing

Founded
Lunnemark co-founded Anysphere in 2022 with Michael Truell, Sualeh Asif, and Aman Sanger, developing the AI-assisted code editor Cursor. Co-founded Anysphere/Cursor in 2022; the only co-founder to leave before the SpaceX acquisition, departing October 2025. Founded Integrous Research in October 2025, an AI-safety research lab.
Education
Studied at Massachusetts Institute of Technology
Awards
Lunnemark won a gold medal at the 2018 International Mathematical Olympiad, representing Sweden. Lunnemark won a silver medal at the 2017 International Olympiad in Informatics, representing Sweden. IOI silver medalist (2017) and gold medalist (2018) for Sweden.
Hobbies
Writes essays, principles, and a commonplace book at arvid.xyz; deeply interested in cryptography and data-surveillance risks.
Family
Grew up in Malmö, Sweden.
More
Lunnemark is from Malmö, Sweden, and attended school in Sweden before moving to the United States for university. After leaving Cursor in October 2025, Lunnemark stated he intended to focus on AI safety and research work outside the company.

Mentioned above: the Massachusetts Institute of Technology mafia →

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Founder at Cursor

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In turn, Arvid can intro founders to Cursor's investors below.

Cursor's investors · 27

AccelPalo Alto · $500K – $100M checks · since 2026Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2026Aviso VenturesSeattleBattery VenturesBoston · $500K – $100M checks · since 2026BoxGroupNew York · $250K – $1M checksC3 VenturesLos AngelesCai Leung Leung PartnersCoatue ManagementNew York · $1M – $20M checks · since 2025Craft VenturesSan Francisco · $50K – $50M checksCRV (Charles River Ventures)Bay Area · $250K – $5M checksDorm RoomBrooklyn · $90K – $500K checksDST GlobalGeorge Town, Grand Cayman · since 2025Duke Capital PartnersDurhamHanabi CapitalPalo AltoLauder PartnersLos AltosNeoSan Francisco · $100K – $10M checksNext Legacy PartnersPortola ValleyNVIDIASanta Clara · since 2026OpenAI Startup FundSan Francisco · $1M checks · since 2023Preston-Werner VenturesSan Francisco Bay Area · $500K – $3M checksSoundproof VenturesPalo Alto · $500K – $25M checksSpark CapitalSan Francisco · $500K – $25M checksTenacity Capital GlobalThrive CapitalNew York · $500K – $25M checks · since 2026WealthUnion$10K checksY CombinatorSan Francisco · $500K checksZ-FellowsNew York · $10K checks

Co-founders at Cursor

SASualeh Asif
Sualeh AsifFounder
ASAman Sanger
Aman SangerFounder
MT
Micheal TruellCofounder
MTMichael Truell
Michael TruellFounder

Experience

  1. AnysphereCo-Founder2022 — 2025San Francisco, California, United States
  2. Jane StreetQuantitative Trading2021New York, New York, United States
  3. StripeSoftware Engineering2020
  4. QuantCoSoftware Engineering2019Cologne Bonn Region

Podcasts & interviews

featuring Arvid Lunnemark

Cursor Team: Future of Programming with AI

Lex Fridman Podcast · lexfridman.com

Frequently asked questions

Who is Arvid Lunnemark?
Arvid Lunnemark co-founded Anysphere, the company behind the AI code editor Cursor, in 2022 with three MIT classmates, and became a billionaire on its $29.3 billion Series D — then left in October 2025, months before SpaceX's record $60 billion acquisition, to found Integrous Research, an AI-safety lab. A Swede from Malmö who won IOI gold for Sweden in 2018, he studied mathematics and computer science at MIT and writes about cryptography and surveillance risk at arvid.xyz.
Where does Arvid Lunnemark work?
Arvid Lunnemark is Founder of Cursor.
What companies did Arvid Lunnemark found?
Arvid Lunnemark founded Cursor.
Where did Arvid Lunnemark go to school?
Arvid Lunnemark studied at Massachusetts Institute of Technology (Bachelor of Science - BS, Mathematics (18) and Computer Science (6-3)); Malmö Borgarskola High School.
What awards has Arvid Lunnemark received?
Lunnemark won a gold medal at the 2018 International Mathematical Olympiad, representing Sweden. Lunnemark won a silver medal at the 2017 International Olympiad in Informatics, representing Sweden. IOI silver medalist (2017) and gold medalist (2018) for Sweden.
What podcasts and interviews feature Arvid Lunnemark?
Tracked appearances include "Cursor Team: Future of Programming with AI".

Founder mafias

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