General Info
Guillermo Rauch is a Co-Founder & serves as Chief Executive Officer at Vercel. His investment thesis focuses on companies in industries like Information Services (B2C), Business/Productivity Software, and Internet Software. He primarily invests in seed-stage startups. Mr. Rauch has made investments in companies like Hero, Polar Signals, and Jam. His professional career includes roles as an advisor and CTO and co-founder of LearnBoost and Cloudup. The check size for his investments ranges from $250K to $2M. Guillermo values collaboration and openness, as seen in his platform’s open-source nature and the emphasis on easy collaboration on preview deployments.
Location: San Francisco, CA
Country: Argentina
Industries:
Investment Regions: EU, NA, OC
Investment Stages: pre-seed, seed
angel-individual
EU, NA, OC
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Search results show multiple investments by Guillermo Rauch in 2025 (e.g., Mandolin June 2025; PlayerZero July 2025; Unikraft/Interfere/other Oct 2025). The most recent recorded investment is October 2025 (Unikraft, Interfere, Moonlake AI), which is less than 6 months prior to the evaluation date, indicating very recent activity. Therefore the correct classification is very-active.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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