# SirenOpt

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/sirenopt

- Industry: Electronics
- Headquarters: Oakland, US
- Website: www.sirenopt.com
- Total disclosed funding: $16M
- Latest round: Seed (Oct 14, 2025)
- Investors on record: 13

## About

Based in California, US, and founded in 2022 by co-founders Jared O'Leary (CEO), Ali Mesbah, and Joel Paulson, SirenOpt, Inc. operates as a provider of advanced manufacturing intelligence platforms, offering non-destructive material characterization to optimize process control and enhance product quality for various industries. In October 2025, SirenOpt, Inc. raised USD 6.5 million in venture funding co-led by new investors Hitachi Ventures and InMotion Ventures, with participation from returning investors Voyager Ventures and Visionaries Club. The company will use the October 2025 funding to support the further development of its PlasmaSens manufacturing intelligence platform.

The company provides a wide range of advanced manufacturing intelligence services such as real-time, non-destructive material characterization, in-line and off-line multi-property measurement, and process optimization solutions. The platform leverages cold atmospheric plasma and machine learning to provide insights. Moreover, the firm offers solutions like PlasmaSens for advanced material analysis and predictive analytics for research and development and process improvement. Additionally, the firm also provides services such as customized data-driven decision-making tools and real-time production monitoring for various industries, including semiconductor, battery, aerospace, and electronics.

## Funding rounds

- Seed, Oct 14, 2025, $6.5M — InMotion Ventures, Hitachi Ventures, Visionaries Club, Voyager Ventures
- Seed, Jun 28, 2024, $9.6M — Access Industries, Wireframe Ventures, Tomorrow Capital, Union Labs, Berkeley SkyDeck Fund, Voyager Ventures, Impact Science Ventures, Courtyard Ventures, Climate Club Holdings PBC, Climate Capital

## Investors

- Access Industries (https://capitalatlas.ai/funds/access-industries) — Seed
- Wireframe Ventures (https://capitalatlas.ai/funds/wireframe-ventures) — Seed
- Tomorrow Capital (https://capitalatlas.ai/funds/tomorrow-capital) — Seed
- Union Labs (https://capitalatlas.ai/funds/union-labs) — Seed
- Berkeley SkyDeck Fund (https://capitalatlas.ai/funds/berkeley-skydeck-fund) — Seed
- Voyager Ventures — Seed
- Impact Science Ventures (https://capitalatlas.ai/funds/impact-science-ventures) — Seed
- Courtyard Ventures (https://capitalatlas.ai/funds/courtyard-ventures) — Seed
- Climate Club Holdings PBC — Seed
- Climate Capital (https://capitalatlas.ai/funds/climate-capital) — Seed
- InMotion Ventures (https://capitalatlas.ai/funds/inmotion-ventures) — Seed
- Hitachi Ventures (https://capitalatlas.ai/funds/hitachi-ventures) — Seed
- Visionaries Club (https://capitalatlas.ai/funds/visionaries-club) — Seed