# SirenOpt

> SirenOpt is a San Leandro deep-tech company turning measurement blind spots in advanced manufacturing into real-time intelligence. Its PlasmaSens platform uses cold atmospheric plasma plus machine learning to non-destructively fingerprint materials on the production line, helping battery, semiconductor, aerospace, and power generation makers see what was previously invisible.

- **Founded:** 2022
- **Headquarters:** San Leandro, California, United States
- **Founders:** Jared O'Leary (Co-Founder & CEO), Ali Mesbah (Co-Founder & CTO), Joel Paulson (Co-Founder)
- **Team size:** ~42 employees
- **Products:** PlasmaSens, PlasmaSmart
- **Notable:** Raised a total of approximately $22.9M across rounds and grants, Spun out of UC Berkeley's Chemical Engineering department in 2022, Secured $2.4M California Energy Commission grant for battery electrode manufacturing

## Products & services

- **PlasmaSens** — A physics-informed, machine-learning-enabled manufacturing intelligence platform that uses cold atmospheric plasma for non-destructive, real-time, in-line inspection and quality control of advanced materials at micron-level resolution.
- **PlasmaSmart** — Off-line and lab-oriented materials characterization solution applying the same plasma + ML approach for R&D, qualification, and process development.

## Achievements

- Raised a total of approximately $22.9M across rounds and grants
- Spun out of UC Berkeley's Chemical Engineering department in 2022
- Secured $2.4M California Energy Commission grant for battery electrode manufacturing
- Backed by Hitachi Ventures and InMotion Ventures (Jaguar Land Rover)
- Selected as a Cyclotron Road / Activate hard-tech fellowship company

## Latest updates

- **2025-10** — Closed a $6.5M strategic round led by Hitachi Ventures and InMotion Ventures to scale PlasmaSens, with first full inline factory deployments targeted for 2026.
- **2025** — Awarded $2.4M California Energy Commission grant to advance PlasmaSens for inspection and real-time process control of battery electrode manufacturing.
- **2024-07** — Raised $6.6M seed round led by Voyager Ventures and Visionaries Tomorrow.

## Links

- Website: https://sirenopt.com
- LinkedIn: https://www.linkedin.com/company/sirenopt

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Profile page: https://yespress.io/sirenopt
Published by YesPress — https://yespress.io
Last updated: 2026-06-28