Directory
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Bob Nelsen

Verified: Jun 2026 (SMTP Validated)👑 Lead Investor
Chicago, IL
in
Check Size Range

Flexible Check Size

Preferred Stages
seedseries-aseries-b

Background & Investment Thesis

Co-founder of ARCH Venture Partners. Backed Illumina, 10x Genomics. Legendary pharma/genomics VC.

Focus Industries

biotechhealthdeep-techaipharmagenomics

Notable Portfolio & Backed Deals

AI Outreach Insight94% Match Score

Active investor in biotech, health, deep-tech, ai, pharma, genomics. Highly responsive to concise pitches with clear traction metrics.

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Key Deal Terms & Quick Facts

Audited venture due diligence summary for Bob Nelsen

Verified Deal Signals
Typical Check Size

$2M – $50M

Direct angel check per syndicate / round
Target Stages
seedseries-aseries-b
Early-stage entry valuation priority
Founder Pitch Contact

Verified (Protected — Unlock)

Direct mailbox protected against spam
Focus Industries & Categories
biotechhealthdeep-techaipharmagenomics
Notable Backed Deals & StartupsInternal company dossiers
Juno TherapeuticsPrecision BioSciences

Frequently Asked Questions about Bob Nelsen

What is Bob Nelsen's typical angel check size?▼

Bob Nelsen's investment check size typically ranges around $2M – $50M, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does Bob Nelsen invest in?▼

Bob Nelsen primarily backs early-stage startups across seed, series-a, series-b stages, focusing on biotech, health, deep-tech, ai, pharma, genomics.

What companies are in Bob Nelsen's angel portfolio?▼

Bob Nelsen has backed notable companies including Juno Therapeutics, Precision BioSciences.

How can startup founders contact or pitch Bob Nelsen?▼

Founders can access verified direct email contact channels, AI-assisted pitch drafting, and syndicate warm intro paths for Bob Nelsen through OpenAngels.