Former advisor joins full time to scale battery assembly and wafer-processing operations
HAMMOND, Ind. — June 17, 2026 — SiliconJoule™, a leader in advanced battery technology, today announced the appointment of Jon Parke as Director, Operations. Parke, who has served as a strategic advisor to the company for the past two years, will now join full time to help scale SiliconJoule’s battery assembly and wafer-processing operations.
“Having benefited from Jon’s expertise as an advisor over the last two years, we are excited to welcome him to the team in this expanded capacity,” said Ray Kubis, CEO of SiliconJoule. “With more than 25 years of manufacturing and operations leadership experience at industry-leading organizations, including Johnson Controls (now Clarios), Freyr Battery, and Valence Technology, Jon brings the expertise and vision needed to accelerate our operational growth and strengthen partnerships around the world.”
Parke’s appointment comes as SiliconJoule advances commercialization of its battery technology following the launch of its flagship GC2+ product. The company is expanding operations, workforce, and production capabilities to meet growing demand from customers and partners worldwide.
About SiliconJoule
Gridtential Energy, Inc., now operating as SiliconJoule, developed proprietary SiliconJoule technology to transform conventional lead batteries into safer, longer-lasting, high-power energy storage solutions. By rethinking the materials and architecture of lead batteries, SiliconJoule delivers lithium-ion-like performance while retaining the safety, cost advantages, and recyclability of lead-based chemistry.
SiliconJoule advanced AGM battery technology integrates solar wafer technologies with proven lead chemistry. Its bi-pole architecture enables higher power, faster charge acceptance, improved thermal performance, and more efficient use of active materials, resulting in longer battery life, lower weight, stronger partial-state-of-charge performance, and compatibility with established lead-battery manufacturing, recycling, and supply-chain infrastructure.
Media Contact
Ed Schummer, Chief Licensing Officer | ed.schummer@siliconjoule.com | +1-415-279-1160 | www.siliconjoule.com
