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Sirenopt

Oakland, US · Founded 2022 · Delaware corporation · 39 employees on LinkedIn · 5 known investors

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Siren Optics builds material analysis systems that use cold atmospheric plasma and AI to perform real-time, non-destructive inspection of materials such as wafers, films, coatings, and battery components. Its PlasmaSens products range from benchtop units to robot-arm and inline systems for quality control in semiconductor, packaging, glass, aerospace, and battery manufacturing.

Founders & leadership

Sirenopt was founded in 2022 by Jared O'Leary and ALI MESBAH.

JOJared O'Leary
Jared O'LearyCo-Founder & CEOJared O'Leary is a chemical engineer with expertise in characterization, modeling, and control of stochastic systems. He co-founded Sirenopt (formerly Siren Optics), which develops material analysis systems using cold atmospheric plasma and AI for non-destructive inspection in semiconductor, packaging, and battery manufacturing.
AMALI MESBAH
ALI MESBAHCo-founder

Board

MB
Matthew BlaineBoard director
TC
TOM CHIBoard director
MB
MATTHEW BLAINBoard director
PH
PHILIP HARPERBoard director

Investors · 5

Reported raises · per SEC filings

Form D private placements

$29.1M disclosed across 2 rounds · 2024–2026

▶$19.4MraisedSep 2026 · 17 investors · Manufacturing
Rule 506(b)
Officers, directors & promoters on the filing
  • JARED O'LEARYExecutive Officer, Director
  • ALI MESBAHDirector
  • TOM CHIDirector
  • MATTHEW BLAINDirector
  • PHILIP HARPERDirector
Offering amount
$32.4M
Amount sold
$19.4M
First sale
Sep 2026
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$9.6MraisedJul 2024 · 17 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jared O'LearyExecutive Officer, Director, Promoter
  • Matthew BlaineDirector
Offering amount
$9.6M
Amount sold
$9.6M
First sale
Jun 2024
Incorporated
Corporation, Delaware, 2022
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 · 2

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Frequently asked questions

What does Sirenopt do?
Siren Optics builds material analysis systems that use cold atmospheric plasma and AI to perform real-time, non-destructive inspection of materials such as wafers, films, coatings, and battery components. Its PlasmaSens products range from benchtop units to robot-arm and inline systems for quality control in semiconductor, packaging, glass, aerospace, and battery manufacturing.
Who founded Sirenopt?
Sirenopt was founded by Jared O'Leary, ALI MESBAH in 2022.
Who are Sirenopt's investors?
Sirenopt's investors include InMotion Ventures, UNION Labs Ventures, Wireframe Ventures, At One Ventures, Voyager Partners.
How much funding has Sirenopt raised?
Sirenopt has disclosed $29.1M raised across 2 rounds.
Where is Sirenopt headquartered?
Sirenopt is headquartered in Oakland, US.