SirenOpt is a technology company.
SirenOpt has raised $14.0M across 2 funding rounds.
SirenOpt has raised $14.0M in total across 2 funding rounds.
SirenOpt is a technology company developing non-destructive, real-time materials characterization platforms using cold atmospheric plasma and machine learning to inspect and control manufacturing processes for advanced materials.[1][2][3][4] Its PlasmaSens™ platform solves critical bottlenecks in defect detection and quality control for industries like batteries, semiconductors, aerospace, power generation, and electronics, enabling faster R&D, higher yields, and sustainable production without destructive testing.[2][3][4] Founded in 2022 and headquartered in Oakland, California (with operations in Berkeley), SirenOpt has raised a $6.6M seed round and a strategic Series A investment, plus $2.4M in California Energy Commission grants, fueling in-line factory deployments planned for early 2026 amid strong customer demand.[1][2][5]
The company serves manufacturers of high-performance micro- and nano-materials, offering benchtop systems for lab analysis, robot-arm mounted tools for piece-to-piece inspection, and roll-to-roll solutions for continuous production lines up to 1.5m wide, targeting substrates like cathodes, anodes, separators, and coatings.[1][4] This addresses pain points in advanced manufacturing where traditional methods are slow, costly, and destructive, positioning SirenOpt for growth in high-throughput sectors driving electrification and smart materials.[2][3]
SirenOpt emerged as a commercial spin-out from the Mesbah Lab in the Chemical & Biomolecular Engineering Department at the University of California, Berkeley, founded in 2022 by Jared O’Leary (CEO & Co-founder), Ali Mesbah, and Joel Paulson.[1][3] The co-founders were researching learning-based methods to characterize, model, and control stochastic systems with nonlinear dynamics, focusing on cold atmospheric plasmas (CAPs)—weakly ionized gases at room temperature—initially for treatment applications.[3]
The pivotal "aha" moment came accidentally: they discovered CAP combined with physics-informed machine learning could create a real-time, non-destructive platform for advanced materials intelligence, transforming plasma systems into a multifaceted material fingerprinting tool.[3] Early traction built on lab validations at their California headquarters, leading to expanded use cases, seed funding of $6.6M in 2024, strategic investment, and grant awards to scale toward factory integrations.[2][5]
SirenOpt rides the wave of advanced materials manufacturing for electrification and sustainability, where demand for batteries, semiconductors, and aerospace components surges amid global pushes for EVs, renewables, and chip sovereignty.[2][4] Timing is ideal: manufacturing yields remain a yield/cost bottleneck due to destructive testing, while AI and plasma tech enable non-destructive, inline QC at scale—critical as roll-to-roll production ramps for gigafactories and next-gen electronics.[1][2][3]
Market forces like U.S. manufacturing resurgence (via grants like California Energy Commission's) and supply chain localization favor SirenOpt's California roots and IP in plasma-ML synergies.[2] It influences the ecosystem by accelerating R&D cycles, boosting material performance (e.g., creep resistance in aerospace), and enabling sustainable processes, potentially reducing waste in high-stakes sectors and democratizing precision inspection beyond labs.[3][4][6]
SirenOpt is primed for explosive growth with 2026 factory deployments, leveraging seed/Series A funds and grants to expand teams and customer pilots in batteries and beyond, targeting a multi-billion-dollar inline inspection market.[2][5] Trends like AI-native manufacturing, plasma tech maturation, and sustainable materials will propel it, as hyperscalers and OEMs demand real-time intelligence for yield optimization. Its influence could evolve from lab innovator to ecosystem enabler, powering defect-free production in the smart materials era—transforming blind spots into the competitive edge that defines next-gen manufacturing.
SirenOpt has raised $14.0M in total across 2 funding rounds.
SirenOpt's investors include Founder Collective, LocalGlobe, Shorea Ventures, Visionaries Club, Fredrik Hjelm, Jan Dzulko, Martin Olczyk.
SirenOpt has raised $14.0M across 2 funding rounds. Most recently, it raised $7.0M Venture Round in October 2025.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Oct 1, 2025 | $7.0M Venture Round | Founder Collective, LocalGlobe, Shorea Ventures, Visionaries Club, Fredrik Hjelm, Jan Dzulko, Martin Olczyk | |
| Jul 1, 2024 | $7.0M Seed | Founder Collective, LocalGlobe, Shorea Ventures, Visionaries Club, Fredrik Hjelm, Jan Dzulko, Martin Olczyk |