Fundraising Fox

Sam Rex

Investor

Analyst at Optum Ventures

Boston, Massachusetts

Writes $100K – $5M checks · typically $1.5M

Experience

McDermott Will & SchulteSummer Associate2026New York, United States
New Jersey Attorney General's OfficeSummer Intern2025

Colleagues at Optum Ventures

Alessandro Guazzi

Investor at Optum Ventures

Administrative Assistant at Optum Ventures

Associate at Optum Ventures

Vice President at Optum Ventures

Bailey Summerfield

Associate, Portfolio Finance at Optum Ventures

Manager, Accounting and Tax at Optum Ventures

Manager, Portfolio Finance at Optum Ventures

Senior Associate at Optum Ventures

Frequently asked questions

Who is Sam Rex?: Analyst at Optum Ventures
Where does Sam Rex work?: Sam Rex is Analyst at Optum Ventures.
What check size does Sam Rex write?: Sam Rex typically writes checks of $100K – $5M.
Where did Sam Rex go to school?: Sam Rex studied at New York University School of Law (Doctor of Law - JD); Princeton University (Bachelor of Arts - BA, Economics).

Same school

Also attended New York University School of Law61

Sallie KimInvestor at 8VC Sean TraynorPartner, Legal at Lux Capital Esther DominguezGeneral Counsel at .406 Ventures Michael HsuVenture Partner at Core Venture Capital Steve SwerdlowSenior Advisor at Navitas Capital John HadlPartner at Archer Capital Group

+ 55 more

Also attended Princeton University582

Fabrice GrindaCo-founder & Managing Partner at FJ Labs Ryan SheaCo-founder of Blockstack (Stacks)Dario AmodeiCo-founder & CEO of Anthropic Fei-Fei LiCo-founder & CEO of World Labs; Sequoia Professor of Computer Science at Stanford AndrewAdvisor at Clear Ventures Christal NgAssociate at Golden Gate Ventures

+ 576 more

Shared employers

Also worked at McDermott Will & Schulte5

Justin SlaughterVP of Regulatory Affairs at Paradigm Brian GordonManaging Director at Service Provider Capital Adele FrankelInvestor at Maccabee Ventures Holger EbersbergerVenture Partner at YZR Capital Barrett LopezGeneral Counsel at Hightower Advisors