William Harrington
Managing Partner at Osage University Partners (OUP)
Philadelphia, Pennsylvania
William Harrington, Managing Partner at Osage University Partners (OUP) is an active investor based in Philadelphia, Pennsylvania. This profile covers what William Harrington backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestor
- Stages
- Series A
- Invests in
- FintechPaymentsHealthcare & BiotechDigital Health & HealthTechBiotech & PharmaMedTech & Medical DevicesSaaS & EnterpriseClimate & Energy
- Location
- Philadelphia, Pennsylvania
- Typical check
- $1M
- Past investments
- 75
Notable investments
CounterFlow
Infinite UptimeModis TherapeuticsVor Biopharma
Artizan Biosciences
Medisix TherapeuticsAerie Pharmaceuticals
Hyalex Orthopaedics
Otonomy
Aerovate Therapeutics
Quantum Circuits
NuMat TechnologiesHow to reach William Harrington
Angels and operators like William Harrington reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with William Harrington
Frequently Asked Questions
What does William Harrington invest in?
William Harrington invests in Fintech, Payments, Healthcare & Biotech and Digital Health & HealthTech, typically at Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does William Harrington invest at?
William Harrington typically invests at Series A. Lead with traction that fits the stage when you reach out.
What is William Harrington's typical check size?
William Harrington typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact William Harrington?
Unlock William Harrington's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.