Stephen Oesterle

Stephen Oesterle

Active Investor

Angel investor in Minneapolis

Minneapolis, Minnesota

Stephen Oesterle, Angel investor in Minneapolis is an active investor based in Minneapolis, Minnesota. This profile covers what Stephen Oesterle backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Invests in
Healthcare & BiotechMedTech & Medical DevicesBiotech & PharmaDigital Health & HealthTech
Location
Minneapolis, Minnesota
Typical check
$150K
Past investments
23

Notable investments

SHL MedicalAlcyone Therapeutics Inc.TemasekCeramTec – The Ceramic ExpertsGood Samaritan Hospital, Los AngelesMontes Archimedes Acquistion Corp (NASDAQ: MAACU)Semma TherapeuticsBaxter International Inc.Moon SurgicalHeartWare IncHarvard Medical School, Massachusetts General HospitalSigilon Therapeutics, Inc.

How to reach Stephen Oesterle

Angels and operators like Stephen Oesterle 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.

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Frequently Asked Questions

What does Stephen Oesterle invest in?

Stephen Oesterle invests in Healthcare & Biotech, MedTech & Medical Devices, Biotech & Pharma and Digital Health & HealthTech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Stephen Oesterle invest at?

Stephen Oesterle typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Stephen Oesterle's typical check size?

Stephen Oesterle typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

How do I contact Stephen Oesterle?

Unlock Stephen Oesterle's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Stephen Oesterle