Define Ventures
Define Ventures is a Seed, Series A venture capital firm based in San Francisco, CA investing in Healthcare. The firm typically writes $1.5M–$10.0M checks and has 8 portfolio companies in our records.
- Check size
- $1.5M–$10.0M
- Portfolio
- 8 companies on record
- Partners
- 1 listed
- AUM
- $800M
- Stage
- Seed, Series A
- Sectors
- Healthcare
- HQ
- San Francisco, CA
Last verified: 2026-05-16
Seed, Series A
$1.5M – $10.0M
$800M
8+ companies
1 partner
Investment Thesis
Specializes in early-stage digital health companies focused on transforming healthcare delivery and technology solutions.
How Define Ventures invests
Define Ventures is a vc firm based in San Francisco, CA. The firm invests at the Seed, Series A stages, with a focus on Healthcare.
Define Ventures typically writes checks of $1.5M–$10.0M per investment, backed by approximately $800M in assets under management.
Define Ventures has backed 8 companies in our records, including Equip Health, BetterUp, Hims & Hers.
Partners & Team
Industry Focus
Invests In
Portfolio Companies (8)
Other
Equip Health
BetterUp
Hims & Hers
The leading health & wellness platform, on a mission to help the world feel great
Unite Us
Connecting community through technology and improving whole-person health at scale
Cohere Health
Leveraging AI & ML to improve the complex clinical care experience for HEALTH PLANS, providers, and patients
FOLX Health
The first digital healthcare and wellness platform for the LGBTQIA+ community
Waltz Health
Blackbird Health
- •Raising at Seed, Series A? You're squarely in their sweet spot.
- •Lead with your fit in Healthcare — the sectors they actively back.
- •Size your ask to their typical $1.5M – $10.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Lynne Chou O’Keefe, Founder and Managing Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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