Stage FocusSeed, Series A, Series B+
GeographyUS
TypeVC
Last Activity2026
Industry Focus
Industries
MedtechAI
Technical BenchLimited
Investor TypeGeneralist
ExposureSome DeepTech Investments
Bio
Define Ventures is a digital-health-focused venture capital firm headquartered in Silicon Valley, founded by Managing Partner Lynne Chou O'Keefe. The firm has raised six funds totaling $800 million in AUM and invests from incubation through Series B, backing companies at the intersection of healthcare delivery and technology.
Partner companies include Hims & Hers (NYSE: HIMS), a consumer health a...
Notable Investments
H
Hims & HersU
Unite UsC
Cohere HealthF
FOLX HealthB
Blackbird HealthW
Waltz HealthSimilar Funds
2H
25M Health
New York, United States
GeneralistMedtechAIPre-SeedSeed
AP
Able Partners
New York, United States
GeneralistMedtechBiotechNeurotechSeedSeries A
Boston Scientific Ventures
Marlborough, United States
GeneralistMedtechHardwareAISeedSeries A
C
CincyTech
Cincinnati, Ohio, United States
GeneralistMedtechBiotechAISeedSeries A
F8
Figure 8 Investments
Boulder, Colorado, United States
GeneralistMedtechClimate TechAISeedSeries A
FC
Frist Cressey Ventures
Nashville, United States
GeneralistMedtechAISeedSeries A