Lynne Chou O'Keefe
InvestorFounder and Managing Partner at Define Ventures
United States
Writes $750K – $6M checks
About
Lynne Chou O'Keefe launched 10+ device product families pre-VC, offering deep product expertise as a day‑zero partner to early-stage digital health founders—an early Livongo board member through its multibillion‑dollar exit.
Invests in
AI & Machine LearningConsumerHealthtechInsurTechSaaS
Experience
- Define VenturesFounder and Managing Partnercurrent2018 — presentSan Francisco, CA
- Kleiner Perkins Caufield & ByersSenior Partner, Healthcare Group2013 — 2018
- AbbottGlobal Product Marketing2005 — 2013
- Apax PartnersVenture Capital, Enterprise Software2001 — 2003
- Goldman SachsInvestment Banking, Mergers and Acquisitions1999 — 2001
Education
- Stanford UniversityBS, Industrial Engineering
- Harvard Business SchoolMBA
- John Burroughs School
Skills & more
Corporate Development5Cross-functional Team Leadership23Global Marketing28Investment Banking6Lifesciences11Medical Devices24Marketing10MergersProduct Launch12Strategy29Vascular3Venture Capital42
From Lynne's professional profile.
Same school
Also attended Stanford University1,726
Peter ThielCo-founder & Partner at Founders FundReid HoffmanCo-founder of LinkedIn; Partner at GreylockDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarKeith RaboisManaging Director at Khosla VenturesGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia Capital
+ 1,720 more
Also attended Harvard Business School1,818
Brad GerstnerFounder & CEO of Altimeter CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesJim BreyerFounder & CEO of Breyer CapitalTim DraperFounder of Draper AssociatesMike Maples JrCo-founding Partner at FloodgateMamoon HamidPartner at Kleiner Perkins
+ 1,812 more
Also attended John Burroughs School2
Shared employers
Also worked at Kleiner Perkins Caufield & Byers105
Mary MeekerFounder & General Partner at BONDAileen LeeFounder & Managing Partner of Cowboy VenturesMamoon HamidPartner at Kleiner PerkinsAlex TranInvestment Team at General CatalystJordan OrmontPartner, Talent at Menlo VenturesSaket SrivastavaInvestor at Foundation Capital
+ 99 more
Also worked at Abbott53
Daan BoekhoudtInvestment Analyst at Cottonwood Technology FundJim CaggianoChief Executive Officer, Evolve Biologics at Two Bear CapitalCharles BeyrouthyFounder & Managing Partner at Forma PrimeFederico RaneroVenture Partner at NazcaJennifer SmoterChief Communications & Governance Officer at Takeda VenturesRamy RiadPresident, Plasma-Derived Therapies Business Unit at Takeda Ventures
+ 47 more
Also worked at Apax Partners34
Thomas JuvinManaging Director Europe at Burda Principal InvestmentsDavid KimVenture Partner at IronGate Capital AdvisorsOmri StrulPartner, Qumra Opportunity Fund at Qumra CapitalBarak SalomonManaging Partner at Red Dot Capital PartnersGil BirnboimHead of Platform at UpWestAlan PatricofChairperson & Co-Founder at Primetime Partners
+ 28 more
Also worked at Goldman Sachs1,237
Josh KushnerFounder & CEO of Thrive CapitalFred EhrsamCo-founder and Senior Advisor at Paradigm; founder of NudgeMatt HuangCo-founder and Managing Partner at ParadigmNiki PezeshkiGeneral Partner at Felicis VenturesChris BischoffInvestment Team at General CatalystDamir BecirovicInvestor at Index Ventures
+ 1,231 more
Deals · 1
LivongoBoard seat
via Define Ventures · filed Mar 2017 · $52.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Define Ventures
A.G. Breitenstein
Healthcare Advisor at Define Ventures
Amanda Duckworth
Communications Advisor at Define Ventures
Ashley Yuki Alexander
Former Consumer Advisor at Define Ventures
Bangaly Kaba
Consumer Advisor at Define Ventures
Beth Bierbower
Healthcare Advisor at Define Ventures
Brook Byers
Fund Advisor at Define Ventures
Bruce Broussard
Venture Partner at Define Ventures
Carolyn Magill
Venture Partner at Define Ventures
Network4
A.G. Breitenstein
Healthcare Advisor at Define Ventures
Chirag Shah
Partner at Define Ventures
David Schwab
Founder and Managing Director at Vertical Venture Partners
Glen Tullman
Partner at 7wire Ventures
Investors connected to Lynne in public investor directories — a warm-intro map.



















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