Define Ventures
Venture fund
- Stages
- Seed, Series A, Series B
- Cheque size
- $3M to $25M
- Based in
- United States
- Focus
- Primary & Virtual Care, Mental & Behavioural Health, Women's Health
Define Ventures is a digital health venture firm founded in 2020 by Lynne Chou O'Keefe, formerly a partner at Kleiner Perkins. It invests from incubation through Series B and has raised roughly eight hundred million dollars, making it one of the largest early stage health technology investors.
Founder first digital health investing with deep payer relationships.
Notable investments
- Folx Health
- Kindbody
- Author Health
The journey
How Define Ventures got here, step by step.
2020
Define Ventures founded
Lynne Chou O'Keefe launched Define Ventures after serving as a partner at Kleiner Perkins.
2020
Focus on early stage digital health
The firm set out to partner with founders from incubation through Series B in health technology.
2021
Second fund raises 200 million dollars
Define closed its second fund to back early stage digital health startups.
2023
460 million dollars across two funds
Define Ventures announced raising 460 million dollars across two funds for digital health investing.
2024 to 2025
Assets approach 800 million dollars
The firm grew to roughly eight hundred million dollars under management.
Investors at similar stages
- 7wireVentures
Venture fund
- Andreessen Horowitz Bio + Health
Venture fund
- Bessemer Venture Partners
Venture fund
- CVS Health Ventures
Corporate venture
- Elad Gil
Angel investor
- EQT Life Sciences
Venture fund