Robert Nelsen

Robert Nelsen

VC

Co-founder & Managing Director, ARCH Venture Partners

Pioneer in deep biotech and genomics company creation

Seattle, WA4 notable investments
Pre-SeedSeedSeries A
BioHealthcareDeep TechAI

Background

Robert Nelsen is a co-founder and Managing Director of ARCH Venture Partners who has played a significant role in creating, sourcing, financing, and developing more than 150 companies, with over 50 reaching billion-dollar valuations. He focuses on disruptive technologies and partnering with founding teams to advance novel platform technologies. Notable investments include seeding Illumina, Juno Therapeutics, Alnylam, Beam Therapeutics, GRAIL, and Altos Labs. He holds an MBA from the University of Chicago and a BS in Economics and Biology from the University of Puget Sound.

Investment Thesis

Company creation around transformative biology and platform technologies, particularly in genomics, gene editing, and cell therapy.

Investment Focus

Stages

Pre-SeedSeedSeries A

Sectors

BioHealthcareDeep TechAI

Based in: Seattle, WA (North America)

Notable Investments

Last updated: Jun 11, 2026