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


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. Tom serves on the Special Olympics Northern California board of directors.

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.


Elton J. Cairns

Professor at UC Berkeley

Elton J. Cairns, Professor of Chemical and Biomolecular Engineering at UC Berkeley,is an acclaimed battery expert with extensive experience in research and development. He earned his Ph.D. at University of California Berkeley (1959), contributed to the development of the original Proton Exchange Membrane (PEM) fuel cells while at GE Research, and founded the molten salt battery and the fuel cell groups at Argonne National Laboratory. While at General Motors he helped develop a Zn/NiOOH battery for a fleet of electric cars and pickup trucks. Following this, he joined the Lawrence Berkeley National Lab as Associate Lab Director and Director of the Energy and Environment Division (1978-1996).

Mark Dudzinski


Mark Dudzinski is a board member of All Points North Foundation, a small, private foundation based in Boston, MA. He also serves as the volunteer chairman of its Solar Subcommittee. After “retiring” from a 27-year high profile career as Chief Marketing Officer with GE Energy, he took the diverse skills he honed in the business world and now applies it to helping others through philanthropy work at APNF nationally. Internationally, he is founder of Light the World, a non-profit organization dedicated to bringing cost effective lighting to the 1.2 billion people who live by firelight when the sun sets. He is intent on changing the electricity delivery model globally.

Scott Thacker

CEO, Ivory Consulting

Scott Thacker, CEO of Ivory Consulting, a provider of software to calculate complex financing and leasing arrangements for capital equipment. He is a member of the Board of Directors of the Equipment Leasing and Finance Association and has served in leadership roles there. He is the co-director of the Research Committee of the Equipment Leasing and Finance Foundation.

Prior to joining Ivory , Scott was a partner and co-leader of Accenture’s asset finance management consulting practice and was an executive at Oracle.

Scott earned an M.B.A from the Wharton School of the University of Pennsylvania and a B.S. in Accounting from Wake Forest University. He is a Certified Public Accountant.