Arvid Lunnemark

Arvid Lunnemark is a co-founder of Anysphere, the company behind the Cursor AI coding editor, which he incorporated in 2022 with three MIT classmates: Michael Truell, Sualeh Asif, and Aman Sanger. He previously served as CTO and contributed systems and infrastructure expertise as Cursor grew to over $2B in ARR by early 2026. A Swedish engineer and former Math Olympiad medalist, in October 2025 he left Anysphere to found Integrous Research, an AI safety lab.