Founder

Arvid Lunnemark

Lunnemark co-founded Anysphere, maker of the AI code editor Cursor, with MIT classmates Michael Truell, Sualeh Asif, and Aman Sanger in 2022, focusing on performance. He left in 2025 to start Integrous Research, a safety-focused AI lab, having previously interned at Jane Street and Stripe.

Career & education

Current role

Integrous Research2025-present

Founder

Previously

Cursor2022-2025

Co-founder

Jane Street2021-2021

Quantitative trader

Stripe2020-2020

Software Engineer

Education

MIT

Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.

Updates 1

MoveArvid Lunnemark leaves Cursor to found Integrous Research

Cursor co-founder Arvid Lunnemark departed Anysphere in October 2025 to start Integrous Research, an AI-safety lab focused on secure and trustworthy AI systems.

October 1, 2025

About this profile

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