Two Sigma Careers

Two Sigma is a New York–based quantitative investment management firm that uses advanced technology, data science, and machine learning to drive investment strategies. Founded in 2001 by John Overdeck and David Siegel, the firm applies scientific methods and large-scale computing to financial markets, analyzing vast datasets to identify patterns and opportunities. Two Sigma’s mission centers on combining rigorous research with cutting-edge technology to improve investment decision‑making and deliver strong risk‑adjusted returns for its clients.

The company operates several major business lines including asset management, private investments, and venture capital through Two Sigma Ventures, which backs data‑driven and technology startups. With thousands of employees—including researchers, engineers, and data scientists—Two Sigma is widely recognized as one of the leading quantitative hedge fund firms in the world. The firm manages tens of billions of dollars in assets and is known for its strong engineering culture, large-scale computing infrastructure, and influential role in the growing intersection of finance, artificial intelligence, and big data.