About Graham Christensen
Graham Christensen is co-founder and chief technical officer of Determinate Systems, which helps engineering teams manage software builds and operating environments. He develops Nix and Rust software, focusing on reliable lower-level systems. His background includes systems engineering and long involvement in the Nix community.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Graham Christensen in the role, so the role may have started earlier or lasted longer.
Determinate Systems, Inc. Current
Co-founder, Chief Technical Officer and director
2022 – Present · Boston, MA
It provides secure, repeatable software builds across development, cloud, and production environments.
Key Colleagues at Startups
The people Graham Christensen works with at each company, as listed on that company's latest Form D.
Determinate Systems, Inc. · Form D, Nov 10, 2026

Jeffrey Martens
Chief Executive Officer and director

Eelco Dolstra
Co-founder, Creator of Nix and director

Lenny Pruss
Director
MC
Mitch Cooney
Director
