Our Team

Primus Power Solutions makes batteries for the smart grid

Primus Power Solutions is a provider of low-cost, long-life and long-duration energy storage systems. Our mission is to help enable 100% renewable energy worldwide.

Founded in 2009, Primus is privately held, located in Silicon Valley and has a subsidiary in Asia. We have received 35 patents from 7 countries. Our flow batteries are shipping to U.S. and international commercial/industrial, data center, microgrid, and utility customers. We enjoy R&D and commercial partnerships with several of the world’s leading electrical component, energy software, chemical and power companies.

Tom Stepien

Co-founder and Director

Tom has over 30 years of engineering, operations and general management experience at small and large companies. Prior to helping launch Primus, he was a VP/GM at semiconductor equipment manufacturer Applied Materials responsible for a $500 million business. He holds a BS and MS in Mechanical Engineering from MIT, is a co-inventor on numerous patents, and a frequent speaker at energy conferences.

G.J. la O’

Technical Advisor

Dr. La O' has more than a decade of experience in battery design; he is responsible for next generation electrochemical systems at Primus Power. He earned his PhD in Material Science from MIT, where he led a team researching catalysts and conducting membranes for battery systems. He has been published extensively and has numerous patents granted and pending.