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Oncopatch

Boulder, US · Founded 2023 · Delaware corporation · 2 known investors

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OncoPatch develops a non-invasive medical patch that delivers low-energy beta therapy to treat non-melanoma skin cancers, including basal and squamous cell carcinomas. The single-application treatment is administered in a physician's office and targets cancer cells while sparing healthy tissue.

BiotechMedical Devices

Founders & leadership

Oncopatch was founded in 2023 by David Westerly, Quentin Diot, Frederic Sarazin, and Jeramy Zimmerman.

DWDavid Westerly
David WesterlyCo-founder & CEODavid Westerly is a medical physicist and Associate Professor of Radiation Oncology at CU Anschutz, holding a Master's in Nuclear Engineering and a PhD in Medical Physics from the University of Wisconsin–Madison. As co-founder and CEO of OncoPatch, he leads the development of a non-invasive patch delivering beta therapy for non-melanoma skin cancers.
QDQuentin Diot
Quentin DiotCo-founder
FSFrederic Sarazin
Frederic SarazinCo-founderFrederic Sarazin is a physicist with research expertise in low-energy nuclear physics and medical physics applications, who has held leadership roles as head of a physics department and director of Quantum@Mines. He is co-founder of OncoPatch, which develops a non-invasive medical patch for treating non-melanoma skin cancers.
JZJeramy Zimmerman
Jeramy ZimmermanCo-founderJeramy Zimmerman is co-founder of OncoPatch and leads product development and manufacturing for the company's non-invasive radiotherapy patch for skin cancer treatment. He has background in materials science with expertise in thin-film deposition techniques, vacuum systems, and electronic materials including semiconductors and organic optoelectronic devices.

Board

BMBill Miller
Bill MillerBoard directorFounder / Managing Partner at FirstMile Ventures

Investors · 2

MINES VENTURElisted by MINES VENTUREGolden

Reported raises · per SEC filings

Form D private placements

$418.8K disclosed across 1 round · 2025

▶$418.8KraisedDec 2025 · 5 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Quentin DiotExecutive Officer, Promoter
  • Frederic SarazinExecutive Officer, Director, Promoter
  • David Clark WesterlyExecutive Officer, Director, Promoter
  • Bill MillerDirector
  • Jeramy ZimmermanExecutive Officer, Promoter
Offering amount
$2M
Amount sold
$418.8K
First sale
Oct 2025
Incorporated
Corporation, Delaware, 2023
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Related companies · 1

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Frequently asked questions

What does Oncopatch do?
OncoPatch develops a non-invasive medical patch that delivers low-energy beta therapy to treat non-melanoma skin cancers, including basal and squamous cell carcinomas. The single-application treatment is administered in a physician's office and targets cancer cells while sparing healthy tissue.
Who founded Oncopatch?
Oncopatch was founded by David Westerly, Quentin Diot, Frederic Sarazin, Jeramy Zimmerman in 2023.
Who are Oncopatch's investors?
Oncopatch's investors include FirstMile Ventures, MINES VENTURE.
How much funding has Oncopatch raised?
Oncopatch has disclosed $418.8K raised across 1 round.
Where is Oncopatch headquartered?
Oncopatch is headquartered in Boulder, US.