GitLab co-founder fights his cancer in 'founder mode' and open-sources his medical data

JosephJacks_ · x · 2026-10-07

The 632nm podcast interviewed GitLab co-founder Sid Sijbrandij. When standard-of-care treatments stopped controlling his cancer, he went founder mode: assembling researchers to attack the disease with a combination of experimental treatments never used together, and open-sourcing his medical data for researchers.

They discuss the science of his journey and how personalized cancer treatments could become faster, cheaper and more accessible as sequencing costs fall and AI accelerates biological discovery.

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