Pre-Seed-stage Healthcare AI investors

Healthcare AI investors writing pre-seed-stage checks. Cross-referenced with portfolio holdings, sub-vertical focus, and check-size range so you can shortlist credible leads for your raise.

Pre-seed funding is the earliest stage of capital injection, utilized to validate a foundational concept, build a preliminary prototype, and conduct initial market research. Raised primarily from founders, friends, family, and early angel investors, this highly risky capital typically ranges from $50,000 to $500,000 and is secured before the company generates any revenue.
784 investors match

Within Pre-Seed: top healthcare sub-verticals

Digital Health (508) AI/ML in Healthcare (355) Health IT / Healthcare Software (252) Biotech (214) Medical Devices / MedTech (199) Care Delivery / Tech-Enabled Services (147) Diagnostics (126) Wellness / Consumer Health (114)
Janvi Patel
Solo Angel T3
New York, United States
<$25k
Janvi Patel is a New York-based solo angel writing sub-$25K checks at pre-seed and seed into women’s and reproductive health and mental…
Mental & Behavioral Health Women's & Reproductive Health
Jasmine Jones
Solo Angel T3
Washington DC, United States
<$25k
Jasmine Jones is a Washington DC-based solo angel writing sub-$25K checks at pre-seed and seed into women’s and reproductive health and digital…
Digital Health Women's & Reproductive Health
Jason Calacanis
Solo Angel AI T3
San Francisco, United States
$100k-$250k
Jason Calacanis is one of the most prolific and public solo angels in Silicon Valley, founder of LAUNCH and the This Week…
AI/ML in Healthcare Digital Health
Jaza Rift Ventures
VC T3
Nairobi, Kenya
$250k-$1M
Jaza Rift Ventures is an Africa-focused early-stage venture fund investing in technology companies across the continent, with a thesis built around emerging…
AI/ML in Healthcare Biotech
Jeff Tangney
Solo Angel T3
San Francisco, United States
$100k-$250k
Jeff Tangney is the co-founder and CEO of Doximity (NYSE:DOCS), the LinkedIn-for-physicians network. His angel activity is thin in public records but…
Digital Health Health IT / Healthcare Software
Jeffrey Hausfeld
Solo Angel T3
Washington DC, United States
$25k-$100k
Jeffrey Hausfeld is a physician (BioFactura affiliation), DC-based solo angel, and active healthcare entrepreneur writing $25k-$100k checks at pre-seed and seed in…
Biotech Medical Devices / MedTech
Jenelle Sheridan
Solo Angel T3
Los Angeles, United States
$25k-$100k
Jenelle Sheridan is a Los Angeles-based solo angel writing $25K to $100K at pre-seed and seed into wellness and consumer health. Public…
Wellness / Consumer Health
Jenn Longnion
Solo Angel T3
Chicago, United States
<$25k
Jenn Longnion is a Chicago-based operator-angel affiliated with See and Free Consulting, writing sub-$25K checks at pre-seed and seed into health IT…
Digital Health Health IT / Healthcare Software
Jenna Jackson
Solo Angel T3
Los Angeles, United States
$25k-$100k
Jenna Jackson is a Los Angeles-based investor associated with CAVU Consumer Partners, writing $25K to $100K at pre-seed and seed into wellness…
Wellness / Consumer Health
Jennie Ripps
Solo Angel T3
New York, United States
<$25k
Jennie Ripps is a New York-based solo angel writing sub-$25K checks at pre-seed and seed into wellness consumer health. The check size…
Wellness / Consumer Health
Jim Mellon
Solo Angel T3
Isle of Man, United Kingdom
<$250k
Jim Mellon is a UK biotech investor, longevity investor (co-founder of Juvenescence), and serial entrepreneur based on the Isle of Man, writing…
Biotech Life Sciences Tools
John Dayton
Solo Angel T3
Salt Lake City, United States
$25k-$100k
John Dayton is a physician (Salt Lake City-based) and solo angel writing $25k-$100k checks at pre-seed and seed in medical devices and…
Digital Health Medical Devices / MedTech
John Loser
Solo Angel T3
New York, United States
$25k-$100k
John Loser is a New York-based solo angel writing $25k-$100k checks at pre-seed and seed in tech-enabled care delivery and health IT…
Care Delivery / Tech-Enabled Services Health IT / Healthcare Software
Johnathan Matlock
Solo Angel T3
Bedford, United Kingdom
$25k-$100k
Johnathan Matlock invests through Empirical Ventures and angel-invests from Bedford, UK, writing $25k-$100k checks at pre-seed and seed in biotech and medical…
Biotech Medical Devices / MedTech
Jonathan Bush
Solo Angel T3
Boston, United States
$100k-$250k
Jonathan Bush is the co-founder and former CEO of athenahealth, currently CEO of Zus Health, the patient-data API and infrastructure company. His…
Digital Health Health IT / Healthcare Software
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