Brian Lisiecki

Chief Operating Officer at ESS TECH, INC.

Consumer Services

Producer Manufacturing

Profile

Brian Lisiecki currently holds the position of Chief Operating & Information Officer at ESS Tech, Inc. since 2026 and has been Vice President-Information & Business Systems at ESS Tech Subsidiary, Inc. since 2018.
Education includes an undergraduate degree from Clarkson University and a graduate degree from The Pennsylvania State University.

Brian Lisiecki active positions

Companies	Position	Start
ESS TECH, INC.	Chief Operating Officer	2026-02-28
ESS Tech Subsidiary, Inc. ESS Tech Subsidiary, Inc. Electrical ProductsProducer Manufacturing Manufactures and supplies iron flow batteries	Chief Tech/Sci/R&D Officer	2018-09-30

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Linked companies

Private companies	4
Clarkson University Clarkson University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
The Pennsylvania State University The Pennsylvania State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
ESS Tech Subsidiary, Inc. ESS Tech Subsidiary, Inc. Electrical ProductsProducer Manufacturing Manufactures and supplies iron flow batteries	Producer Manufacturing
ESS Tech, Inc. ESS Tech, Inc. Electrical ProductsProducer Manufacturing Manufactures and commercializes iron flow batteries for commercial and utility-scale energy storage applications	Producer Manufacturing