Fundraising Fox

Patrick Weiss

Investor

Venture Partner at ARCH Venture Partners

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.