- Tom Stepien named as President of Amprius Technologies (AMPX, Financial), effective May 1, 2025.
- Amprius aims to expand commercial growth and market reach with Stepien's leadership.
- Stepien brings over 35 years of experience, previously CEO of South 8 Technologies.
Amprius Technologies, Inc. (AMPX), a leading innovator in next-generation lithium-ion batteries, has announced the appointment of industry veteran Tom Stepien as its new President, effective May 1, 2025. As part of his new role, Stepien will oversee the day-to-day operations, focusing on commercial growth and market expansion to cater to the growing demand for Amprius' high-performance silicon battery technology.
With a robust career spanning over 35 years, Stepien brings a wealth of experience to Amprius. Previously, he served as CEO of South 8 Technologies, driving the commercialization of a novel liquefied gas electrolyte for lithium-ion batteries. Additionally, Stepien co-founded Primus Power, specializing in long-duration stationary storage solutions, and held leadership roles at Applied Materials, a key player in the semiconductor equipment industry.
Dr. Kang Sun, CEO of Amprius, expressed confidence in Stepien's capabilities, stating, "Tom has a rare combination of technical expertise and market leadership at innovative technology companies." The company is poised to enhance its global footprint with strategic partnerships and strengthen customer relationships under Stepien's guidance.
Amprius targets high-impact markets such as electric aviation, defense, and electric mobility platforms with its high-performance silicon batteries. The company's SiMaxxâ„¢ batteries deliver impressive energy densities, validated up to 500 Wh/kg and 1,300 Wh/L, making it a frontrunner in the electrification journey.
Stepien, who holds bachelor's and master's degrees in mechanical engineering from MIT and is a co-inventor on 11 battery patents, expressed enthusiasm for his new position. "Amprius is well-positioned to lead the next wave of electrification. I’m excited to help build on that foundation and expand Amprius’ impact across high-growth sectors where performance and energy density matter most," he said.
Amprius Technologies, headquartered in Fremont, California, continues to innovate and expand its product offerings to meet the increasing customer demand. With agreements securing over 1.8 GWh of contract manufacturing capacity, the company is set for significant advancements under Stepien's leadership. For more information, visit Amprius' official website.
