Data sourced from SEC EDGAR filingsCompiled by Free Startup Funding DatabaseLast updated: Oct 2026
SEC Form D Verified

William Barnes

Venture Capital Firm | Contact & Fund History

SAN FRANCISCO, CA
Funds Tracked

1

Latest Fund

WILLIAM BARNES FUND III, LLC

How to Contact William Barnes

Official Contact Channels

General Partners

MARK WOOLWAY

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Fund History

WILLIAM BARNES FUND III, LLC

Frequently Asked Questions

How do I contact William Barnes?

Search for William Barnes on LinkedIn or check their SEC EDGAR filing for contact details.

How many funds has William Barnes raised?

William Barnes has raised 1 tracked fund.

Where is William Barnes located?

William Barnes is headquartered in SAN FRANCISCO, CA.

Firm Details

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Data Sources: SEC EDGAR filings, company disclosures, and verified public records.

Profile updated: Oct 23, 2026