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Eelco Dolstra

Eelco Dolstra

Co-founder of Determinate Systems and creator of Nix.

ExecutiveDirector
Updated Nov 10, 2026·Latest SEC filing Nov 10, 2026·Suggest an edit

About Eelco Dolstra

Eelco Dolstra is a co-founder of Determinate Systems. The company helps engineering teams control the software, builds, and environments behind their systems. He began the Nix project while a doctoral student at Utrecht University. His 2006 thesis introduced Nix and a method for deploying software. He remains a member of the Nix team.

Experience

This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Eelco Dolstra in the role, so the role may have started earlier or lasted longer.

Determinate Systems, Inc. Current
Co-founder, Creator of Nix and director
2022 – Present · Boston, MA
It provides secure, repeatable software builds across development, cloud, and production environments.

Key Colleagues at Startups

The people Eelco Dolstra works with at each company, as listed on that company's latest Form D.

Determinate Systems, Inc. · Form D, Nov 10, 2026
Jeffrey Martens
Jeffrey Martens
Chief Executive Officer and director
Graham Christensen
Graham Christensen
Co-founder, Chief Technical Officer and director
Lenny Pruss
Lenny Pruss
Director
MC
Mitch Cooney
Director

Sources

  1. SECDeterminate Systems, Inc. Form D, filed Nov 10, 2026
  2. P7Determinate Systems home page