Fundraising Fox
Lynne Chou O'Keefe
InvestorFounder & Managing Partner at Define Ventures
United States
Writes $750K – $6M checks
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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.
Contact· self-published, not guessed
Invests in
AI & Machine LearningConsumerHealthtechInsurTechSaaS
Deals · 1
LivongoBoard seat
via Define Ventures · filed Mar 2017 · $52.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
9am HealthCohere HealthConcert HealthCrescendo HealthDexCareEvermoreFolx HealthFoundation HealthIntrinsicLayer HealthLightshipMarit HealthMedArriveStory HealthTiaUpStream CareWaltz Health
Sources: SEC Form D filings · curated public sources.
Colleagues at Define Ventures
Network4
Investors connected to Lynne in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Lynne Chou O'Keefe?
- 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.
- Where does Lynne Chou O'Keefe work?
- Lynne Chou O'Keefe is Founder & Managing Partner at Define Ventures.
- What does Lynne Chou O'Keefe invest in?
- Lynne Chou O'Keefe invests in AI & Machine Learning, Consumer, Healthtech, InsurTech, SaaS.
- What check size does Lynne Chou O'Keefe write?
- Lynne Chou O'Keefe typically writes checks of $750K – $6M.
- What boards does Lynne Chou O'Keefe sit on?
- Lynne Chou O'Keefe holds tracked board seats at DexCare, Livongo.
- What companies has Lynne Chou O'Keefe invested in?
- Investments tracked here include 9am Health, Cohere Health, Concert Health, Crescendo Health, DexCare, Evermore, Folx Health, Foundation Health, Intrinsic, Layer Health, Lightship, Livongo, and 6 more.
About this profile. Compiled from public sources — Define Ventures'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