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Harbor

YC X26

San Francisco, US · Founded 2025 · 3 employees · 12 known investors

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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.

Also known as Harbor OpCo, Inc.

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 CaiFounder, 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. LeungCo-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.
AA
Arisa AmanoFounder
BR
Bob RemeikaFounder

Investors · 12

Core Venture Capitallisted by Core Venture CapitalLos Angeles · $1M – $5M

How we know: Y Combinator's founder network · open dataset · 5k.vc investor directory · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Alta PartnersreportedJackson · $1M – $12M

How we know: press coverage · Not right? Tell us

Commit CapitalreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

DFOreportedMilan

How we know: press coverage · Not right? Tell us

Future Perfect VenturesreportedNew York · $500K – $5M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

General CatalystreportedSan Francisco · $30M

How we know: press coverage · Not right? Tell us

Kindred VenturesreportedSan Francisco · $250K – $2M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Pantera CapitalreportedSan Francisco · $5M – $100M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

TechstarsreportedBoulder · $220K

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Valor Equity PartnersreportedChicago

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

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

Related companies · 2

LogrocketLogRocket provides session replay, product analytics, and AI-powered issue detection for web and mobile applications. The platform helps product teams understand user behavior, identify technical and UX problems, and monitor frontend performance.
Harbor LabHarborLab is an AI-powered platform that manages disbursement account costs for maritime port calls, providing visibility and control to DA teams, vessel operators, and commercial traders. The platform structures data, detects discrepancies, benchmarks costs, and automates cost validation across ports and agents worldwide.

Companies working in the same space as Harbor.

Legal entities · 1

corporate structure
Harbor OpCo, Inc.

In the news

Harbor: AI-native CRO for clinical trial operationsycombinator.com · May 2026Harbor: AI system of record for clinical trial dataycombinator.com · Mar 2026

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 8VC, Core Venture Capital, Y Combinator, Alta Partners, Commit Capital, DFO, Future Perfect Ventures, General Catalyst and 4 more.
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.