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Harbor

YC X26

San Francisco, US · Founded 2025 · 3 employees · 5 known investors

Harbor provides electronic data capture (EDC) software for clinical trial teams, designed to reduce data entry time and enable remote monitoring to improve data quality and accelerate trial timelines.

HealthtechMedical DevicesSaaSUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

Harbor was founded in 2025 by Albert Cai and Nathan H. Leung.

ACAlbert Cai
Albert CaiinFounder, CEOHe previously held roles in clinical trials and regulatory strategy at Biolinq, where he supported the development of a medical device through human studies and FDA clearance. He holds a degree in biomedical engineering from the University of Michigan.
NHNathan H. Leung
Nathan H. Leungin𝕏Co-Founder, CTONathan Leung is an engineer who previously worked at Google and Ramp. He studied pure mathematics at UCLA and computer science at the University of Michigan.

Investors · 5

Funding

SEC filings, press & company announcements

$16M disclosed across 2 rounds · 2026

Source: company announcements and press reports — follow each round's link for the claim.

Images

Harbor photo

Competitors · 2

by search overlap

Companies competing with Harbor for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Harbor do?
Harbor provides electronic data capture (EDC) software for clinical trial teams, designed to reduce data entry time and enable remote monitoring to improve data quality and accelerate trial timelines.
Who founded Harbor?
Harbor was founded by Albert Cai, Nathan H. Leung in 2025.
Who are Harbor's investors?
Harbor's investors include Y Combinator, 8VC, Alta Partners, DFO, General Catalyst.
How much funding has Harbor raised?
Harbor has disclosed $16M raised across 2 rounds.
Where is Harbor headquartered?
Harbor is headquartered in San Francisco, US.