Founder Profile
Sid Sijbrandij
Last reviewed: October 2026 · By Swet Parvadiya
Who is Sid Sijbrandij?
Sid Sijbrandij is a founder of GitLab Inc., which was founded in 2011 with Dmitriy Zaporozhets and Valery Sizov.
- Company founded
- GitLab Inc.
- Founded
- 2011
- Co-founders
- Dmitriy Zaporozhets and Valery Sizov
Background
Dutch entrepreneur who previously worked on recreational submarines at U-Boat Worx and on Ruby on Rails projects before co-founding GitLab's business.
Founding Story
Sid Sijbrandij found GitLab on Hacker News in 2012, launched GitLab.com and built the company around an open-core model, an all-remote workforce and a public handbook. He was CEO from the company's early days through its October 2021 Nasdaq IPO, stepped down as CEO in December 2024 to focus on cancer treatment, and remains executive chair of the board. Sid Sijbrandij was born in 1979.
Sources
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