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Winston Weinberg

Unicorn founder

Co-founder & CEO at Harvey

San Francisco, CA

FoundedHarvey$11B

30 Under 30 2024 · Enterprise Technology

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Ask Sangeen Zeb to introduce you to Winston

You →Sangeen · together at Harvey (2024–2026) →Winston

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You →Jamie · 6 people · together at Harvey →Winston

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You →Sam · 2 people · together at O'Melveny & Myers LLP →Winston

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About

Winston Weinberg quit his first-year litigation job at O'Melveny & Myers at 26 to co-found Harvey in 2022, and built the legal-AI platform used by half the Am Law 100 to an $11 billion valuation in its March 2026 round co-led by GIC and Sequoia. A Kenyon College graduate with a USC Gould JD, he was shown GPT-3 by his roommate Gabriel Pereyra — a DeepMind and Meta AI researcher — and their tenant-law prototype convinced Sam Altman: the OpenAI Startup Fund anchored Harvey's seed after a cold email. PwC's global alliance made Harvey the Big Four's legal-AI platform; he preaches 're-earn your role every six months.'

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

Beyond investing

Founded
Co-founded Harvey (named after Suits' Harvey Specter) in summer 2022 with Gabriel Pereyra; the prototype answered California tenant-law questions with GPT-3, and attorneys rated 86 of 100 answers client-ready.
Awards
Forbes 30 Under 30, Enterprise Technology (2024).
Family
A Southern California kid — father an ER physician, mother a physical therapist.
More
Met co-founder Gabriel Pereyra in San Diego; they became roommates in Los Angeles, where Pereyra first showed him GPT-3. Cold-emailed Sam Altman on July 4, 2022; the OpenAI Startup Fund anchored Harvey's $5M seed and the company got early GPT-4 access. PwC's March 2023 global alliance put Harvey in front of ~4,000 legal professionals in 100+ countries, later extended into a PwC–OpenAI–Harvey foundation-model partnership.

From published sources — common ground for a warm intro.

Co-founder & CEO at Harvey

Intro paths

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In turn, Winston can intro founders to Harvey's investors below.

Harvey's investors · 31

Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2025Artisanal VenturesTiburonCaesar VenturesBerlinCoatue ManagementNew York · $1M – $20M checks · since 2025ConvictionSan Francisco · $1M – $25M checks · since 2025CRV (Charles River Ventures)Bay Area · $250K – $5M checksDST GlobalGeorge Town, Grand Cayman · $100K – $200M checks · since 2024Elad GilSan Francisco · $100K – $10M checks · since 2022EQTNew York · since 2025Firebolt Ventures Management Company, LlcPalo AltoFOG VenturesGICSingapore · since 2026GV (Google Ventures)Mountain View · $250K – $50M checks · since 2024HOF CapitalNew York · $25K – $15M checksInertia VenturesNew York · $2M checksKhosla VenturesMenlo Park · $5K – $50M checksKleiner PerkinsMenlo Park · $500K – $15M checks · since 2025Kyber Knight CapitalSan FranciscoLightspeed Venture PartnersMenlo Park · $1.7M – $87M checksOpenAI Startup FundSan Francisco · $1M checks · since 2022Propeller VCJamaica Plain · $100K – $10M checks · since 2023REV Venture PartnersLondon · $1M – $10M checksRiverbend CapitalWashingtonSapphire VenturesAustin · $5M – $20M checksSarah GuoSilicon Valley · since 2022Sequoia CapitalMenlo Park · $4.4M – $214M checks · since 2026SV AngelSan Francisco · $150K – $20M checks · since 2024Valkyrie Ventures Management, LlcPark CityVerified CapitalSan Francisco · since 2025WealthUnion$10K checksWndrCoRedwood City · $100K – $10M checks · since 2025

Co-founders at Harvey

GPGabe Pereyra
Gabe PereyraFounder
GPGabriel Pereyra
Gabriel PereyraCo-founder & President

Experience

  1. HarveyCEO & Co-Foundercurrent2022 — presentSan Francisco Bay Area
  2. O'Melveny & Myers LLPAssociate2021 — 2022Los Angeles Metropolitan Area

Podcasts & interviews

featuring Winston Weinberg

How Model Performance is Plateauing & Two Key Rules for Effective Deal-Making

20VC · thetwentyminutevc.com

From Roommates to Billionaires: Harvey's Founders

LawNext · lawnext.com

How AI Breakout Harvey is Transforming Legal Services

Sequoia Training Data · open.spotify.com

Frequently asked questions

Who is Winston Weinberg?
Winston Weinberg quit his first-year litigation job at O'Melveny & Myers at 26 to co-found Harvey in 2022, and built the legal-AI platform used by half the Am Law 100 to an $11 billion valuation in its March 2026 round co-led by GIC and Sequoia. A Kenyon College graduate with a USC Gould JD, he was shown GPT-3 by his roommate Gabriel Pereyra — a DeepMind and Meta AI researcher — and their tenant-law prototype convinced Sam Altman: the OpenAI Startup Fund anchored Harvey's seed after a cold email. PwC's global alliance made Harvey the Big Four's legal-AI platform; he preaches 're-earn your role every six months.'
Where does Winston Weinberg work?
Winston Weinberg is Co-founder & CEO of Harvey.
What companies did Winston Weinberg found?
Winston Weinberg founded Harvey.
Where did Winston Weinberg go to school?
Winston Weinberg studied at USC Gould School of Law (J.D., Law); Kenyon College.
What awards has Winston Weinberg received?
Forbes 30 Under 30, Enterprise Technology (2024).
What podcasts and interviews feature Winston Weinberg?
Tracked appearances include "How Model Performance is Plateauing & Two Key Rules for Effective Deal-Making", "From Roommates to Billionaires: Harvey's Founders", "How AI Breakout Harvey is Transforming Legal Services".

Founder mafias

Same school

Shared employers