Jan. 19, 2026

Cold Plasma Meets Machine Learning: The SirenOpt Story of Solving Manufacturing's Nanoscale Blind Spot

Cold Plasma Meets Machine Learning: The SirenOpt Story of Solving Manufacturing's Nanoscale Blind Spot
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Jared O'Leary, Ph.D., is the co-founder and CEO of SirenOpt, and Ali Mesbah, Ph.D. is his cofounder and also his former PhD advisor. Ali is a Professor of Chemical Engineering at UC Berkeley.

 

SirenOpt is a Berkeley spin-out that is solving one of manufacturing's biggest blind spots.

Their PlasmaSens platform uses cold atmospheric plasma and AI to non-destructively inspect thin films and nanomaterials in real-time—catching defects and inconsistencies that traditional methods miss entirely. They're helping manufacturers of batteries, semiconductors, and aerospace components accelerate R&D, optimize production, and dramatically improve quality control.

 

In this episode of Lab to startup, we talk about how the industry currently solves the problems, and how SirenOpt is improving them; Then we deep dive into their technology; the origins of the startup from research at UC Berkeley; customer discovery, especially importance of relationship building and how it is different from just interviewing potential customers; lessons from working with industry; their fundraising journey and many other topics including Jared’s experience working at Theranos.

 

Shownotes:

  • https://www.sirenopt.com/

  • Advance coatings, thin films and micro/nano scale materials are critical in several industries. But manufacturing these components are inherently probabilistic

  • SirenOpt providing hardware and software solutions for real time tracking

  • Overview of current solutions  

  • SirenOpt technology overview

  • Initial medical applications

  • Challenges with cold atmospheric pressure plasma

  • Transition from an academic project to startup journey

  • Feedback from industry

  • Lessons from Jared working at Theranos

  • Importance of transparency and building trust while working with customers

  • Importance of academic thinking while building deeptech startups

  • Market exploration: Foray into battery industry

  • Customer discovery vs relationship building

  • Support from Ali: from an academia-industry relationship point of view

  • Venture scalability: Demonstrating the size of the market

  • Working with semiconductor industry

  • Lessons from working with academic PI as your cofounder

  • Fundraising journey

  • Role played by accelerators and incubators: Berkeley Skydeck & Activate

  • Lessons from hiring

  • Long term vision & lessons transitioning from academic scientist to a startup CEO