/People

Patrick Weiss

Investor

Venture Partner at ARCH Venture Partners

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Likely email· guessed from name + firm domain, not firm-published

Deals · 1

Ramona Optics, Inc.Board seat

via ARCH Venture Partners · filed Mar 2026 · $31M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Per SEC Form D filings.

Colleagues at ARCH Venture Partners

Frequently asked questions

Who is Patrick Weiss?
Venture Partner at ARCH Venture Partners
Where does Patrick Weiss work?
Patrick Weiss is Venture Partner at ARCH Venture Partners.
What boards does Patrick Weiss sit on?
Patrick Weiss holds tracked board seats at Ramona Optics, Inc., Slingshot Biosciences.

About this profile. Compiled from public sources — ARCH Venture Partners's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights