Healthcare AI investors writing $25k-$100k checks

Investors whose typical check size falls in the $25k-$100k range for healthcare AI deals. Useful for sizing your round and identifying the right tier of partners.

Checks between $25k and $100k are the hallmark of active, professional angel investors and specialized micro-VC funds. This capital provides a short operational runway for founders to finalize working prototypes and begin preliminary market testing or regulatory pathway analysis.
77 investors match

Within $25k-$100k: top investment stages

Seed (77) Pre-Seed (75) Series A (6)
Nicholas Edwards
Solo Angel T3
Oxford, United Kingdom
$25k-$100k
Nicholas Edwards is an Oxford-based solo angel writing $25k-$100k checks at pre-seed and seed across medical devices, biotech, and life sciences tools,…
Biotech Life Sciences Tools
OTB Ventures
Solo Angel AI T3
Warsaw, Poland
$1M-$5M
OTB Ventures invests out of Warsaw into Central and Eastern European deep tech companies, with a thesis built around the conviction that…
AI/ML in Healthcare Digital Health
Pa Nolan
Solo Angel T3
Dublin, Ireland
$25k-$100k
Pa Nolan is a Dublin-based solo angel writing $25k-$100k checks at pre-seed and seed across biotech, pharma/therapeutics, and health IT software, with…
Biotech Health IT / Healthcare Software
Paul Clark
Solo Angel T3
Charlotte, United States
$25k-$100k
Paul Clark is a Charlotte-based angel investor active in the Palmetto Angel ecosystem, focused on early-stage healthcare investments. His public profile, including…
Digital Health Medical Devices / MedTech
Pratish H. Shah
Solo Angel T3
Cincinnati, United States
$25k-$100k
Pratish H. Shah is a Cincinnati-based physician-angel investing through the Angel Physicians network, writing $25K to $100K checks at pre-seed and seed…
Biotech Medical Devices / MedTech
Raghu Kalluri
Solo Angel T3
Boston, United States
$25k-$100k
Raghu Kalluri is a chaired professor at MD Anderson Cancer Center and a leading exosome and cancer-biology researcher, with co-founder roles in…
Biotech Diagnostics
Rajesh Sawhney
Solo Angel AI T3
Delhi, India
$25k-$100k
Rajesh Sawhney is the founder of GSF Accelerator and InnerChef, and an active and visible Indian angel investor. His health pattern is…
Digital Health Health IT / Healthcare Software
Ramakant Sharma
Solo Angel AI T3
Bengaluru, India
$25k-$100k
Ramakant Sharma is the co-founder of Livspace, the India-and-Southeast-Asia home interiors marketplace, and has emerged as an active angel in Indian early-stage…
Digital Health Health IT / Healthcare Software
Ritesh Malik
Solo Angel AI T3
Delhi, India
$25k-$100k
Ritesh Malik is a physician-turned-founder (Innov8 coworking, Guerrilla Ventures) and one of the more visible doctor-angels in India. His pattern is digital…
AI/ML in Healthcare Digital Health
Ron Weissman
Solo Angel T3
San Francisco, United States
$25k-$100k
Ron Weissman is a longtime member of Band of Angels (Silicon Valley’s oldest angel group) and a San Francisco-based solo angel writing…
Digital Health Health IT / Healthcare Software
Russell Glass
Solo Angel T3
San Francisco, United States
$25k-$100k
Russell Glass is the former CEO of Headspace Health (the Ginger plus Headspace combination), now active as an operator-angel in mental and…
Digital Health Mental & Behavioral Health
Sachin Agrawal
Solo Angel T3
London, United Kingdom
$25k-$100k
Sachin Agrawal is a London-based solo angel writing $25k-$100k checks at pre-seed and seed in consumer wellness and digital health, with no…
Digital Health Wellness / Consumer Health
Sally Barker
Solo Angel T3
Manchester, United Kingdom
$25k-$100k
Sally Barker is a Manchester-based solo angel writing $25K to $100K at pre-seed and seed into mental and behavioral health and digital…
Digital Health Mental & Behavioral Health
Samuel Henderson
Solo Angel T3
Boulder, United States
$25k-$100k
Samuel Henderson is a Boulder-based solo angel writing $25K to $100K at pre-seed and seed into biotech and pharma. Public data is…
Biotech Pharma / Therapeutics
Samuel Stillman
Solo Angel T3
New York, United States
$25k-$100k
Samuel Stillman is a New York-based solo angel writing $25K to $100K at pre-seed and seed into digital health and care delivery.…
Care Delivery / Tech-Enabled Services Digital Health
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