Bob Nelsen
Co-Founder and Managing Director of ARCH Venture Partners; leads early-stage biotech and life sciences company creation from breakthrough science.
Chicago, United States · 1+ investments · 1 portfolio companies
- Headquarters
- Chicago, United States
- Website
- archventure.com
- Portfolio Company
- 1
- Total Investment
- 1
- Last Investment
- Sep 2025
- Geographic Focus
- United States
Investment Thesis
Bob Nelsen is an Angel Investor based in Chicago, United States. It has made 1 investment, including Colossal Biosciences. Focus areas include Biotech and Genomics.
Portfolio1
Co-investors12
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12 co-investors across 12 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×10 · Accelerator ×1 · Family Office ×1 · 2 shared rounds
Investment History
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