Arvid Lunnemark is a Swedish-born technology entrepreneur and engineer who gained global recognition as a co-founder of the AI-powered code editor Cursor. A former Math Olympiad champion, Lunnemark’s early talent for complex problem-solving led him to the Massachusetts Institute of Technology (MIT).

He graduated in the class of 2022 with a degree in Computer Science, where he met his fellow co-founders Michael Truell, Sualeh Asif, and Aman Sanger. Before his entrepreneurial turn, Lunnemark completed high-stakes internships in quantitative trading at Jane Street and software engineering at Stripe.

• Core Achievement: Co-founder of Anysphere (the company behind Cursor).
• Education: Computer Science graduate, MIT (2022).
• Origin: Born in Sweden; currently resides in San Francisco, California.

Arvid Lunnemark’s career is defined by the explosive growth of Cursor, which became the fastest SaaS company in history to reach $100 million in Annual Recurring Revenue (ARR), achieving this milestone in just 12 months. The platform reached $1 billion in annualized revenue by late 2025, serving developers at over 50,000 enterprises including Nvidia, Adobe, and Shopify.

Despite this unprecedented success, Lunnemark made the dramatic decision to leave Cursor in October 2025. He subsequently founded Integrous Research, a new startup dedicated to developing systems for safer and more robust AI.

• Company Valuation: Anysphere reached a valuation of approximately $30 billion in 2025.
• New Venture: Founder of Integrous Research (AI Safety).