# Peter Frischmann

> Peter Frischmann is the CEO and co-founder of Sepion Technologies, an advanced materials company commercializing polymer coatings for battery separators. Trained in chemistry at Idaho State University and the University of British Columbia, he worked in Würzburg and at Berkeley Lab before co-founding Sepion with Brett Helms in 2015. His public accounts trace the shift from laboratory research to customer-led product development, manufacturing, and team leadership.

- **Role:** CEO and Co-founder at Sepion Technologies
- **Organizations:** Sepion Technologies, Lawrence Berkeley National Laboratory, Activate / Cyclotron Road, University of Würzburg
- **Education:** Bachelor of Science in Chemistry, Idaho State University, PhD in Chemistry, University of British Columbia
- **Known for:** 2011 Humboldt Research Fellowship for postdoctoral research., Co-founded Sepion to commercialize Berkeley Lab-origin polymer membrane technology., Led Sepion through a $16 million Series A in 2021 and $10 million Series B in 2026.

## Career timeline

- **2005** — Graduated from Idaho State University with a BS in chemistry.
- **2010** — Completed a chemistry PhD at the University of British Columbia.
- **2011–2013** — Postdoctoral research at the University of Würzburg; received a 2011 Humboldt Research Fellowship.
- **2013** — Joined Berkeley Lab as a JCESR postdoctoral researcher; subsequently served as a project scientist.
- **2015** — Co-founded Sepion Technologies with Brett Helms following I-Corps customer discovery.
- **2016** — Joined the Cyclotron Road fellowship cohort.
- **2021** — Sepion raised a $16 million Series A.
- **2022** — Sepion focused its business on membrane materials rather than building a battery company.
- **2023** — Sepion opened a 25,000-square-foot Alameda pilot facility.
- **2024** — Sepion announced a $17.5 million grant for planned separator manufacturing in West Sacramento.
- **2025** — Sepion was named Best Commercialization Venture at the NREL Industry Growth Forum.
- **2026** — Sepion announced a $10 million Series B on March 26.

## Achievements

- 2011 Humboldt Research Fellowship for postdoctoral research.
- Co-founded Sepion to commercialize Berkeley Lab-origin polymer membrane technology.
- Led Sepion through a $16 million Series A in 2021 and $10 million Series B in 2026.
- Sepion received the 2025 NREL Industry Growth Forum Best Commercialization Venture award.

## Latest updates

- **2026-04** — A California state notice described a proposed interior manufacturing expansion at Sepion’s existing Alameda facility.
- **2026-03** — Sepion announced a $10 million Series B led by Fine Structure Ventures, with strategic participation from W. L. Gore & Associates and Syensqo Ventures, to scale polymer production and support commercial orders.
- **2025-04** — Activate reported Sepion’s recognition at the 2025 NREL Industry Growth Forum.

## Links

- Website: https://sepiontechnologies.com/
- LinkedIn: https://www.linkedin.com/in/peterfrischmann

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Profile page: https://yespress.io/peter-frischmann
Published by YesPress — https://yespress.io
Last updated: 2026-10-25