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Sion Power Announces Appointment of Mack Treece as Chief Financial Officer

TUCSON, Ariz.--(BUSINESS WIRE)--#Licerion--Sion Power Corporation (Sion Power) announced it has appointed Mack Treece as its Chief Financial Officer. Mr. Treece brings more than 30 years of experience in senior leadership positions with a specific focus on successfully scaling young companies into dominant market positions.

“Sion Power is extremely fortunate to have Mack join our team,” says Tracy Kelley, Chief Executive Officer of Sion Power. Kelley goes on to say, “His extensive strategic and financial experience in the energy sector will be essential as we enter into the next stage of commercial EV development.”

“I believe Sion Power is at the forefront of commercializing an advanced lithium metal battery for electric vehicles (EVs) that will significantly increase the energy density versus existing EV battery solutions, and I am excited to join Tracy and the Sion Power team as we enter the next phase of the journey,” said Mr. Treece.

Before joining Sion Power, Mr. Treece was with EOS Energy Storage, where he held the position of Chief Financial Officer (CFO) before becoming the Chief Strategic Alliances Officer for the company.

Treece has earned a B.S. in Finance and Marketing from the University of Virginia and an MBA in International Finance from Widener University.

About Sion Power

Sion Power advances the rechargeable battery industry with its Licerion® technology. Licerion® is an advanced approach to lithium-metal batteries containing twice the energy in the same size and weight battery, compared to a traditional lithium-ion battery. At up to 500 Wh/kg, Licerion batteries are produced at scale in large-format cells. As a result, Licerion® batteries have the potential to significantly enhance the performance of commercial and consumer electric vehicles. Visit Sion Power on the web at


Angela Kliever
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