Amprius Technologies has appointed Tom Stepien as its new President, tasked with managing the company’s daily operations, driving commercial growth, and expanding its market presence to satisfy the rising demand for cutting-edge silicon battery technology.
Effective May 1, 2025, Stepien will also join the Company’s Board of Directors.
With over 35 years of experience in leadership roles within customer-centric, innovation-led technology firms, Stepien is well-equipped for his new position. His most recent role was as CEO of South 8 Technologies, were he spearheaded the commercialization of a groundbreaking liquefied gas electrolyte for lithium-ion batteries.
Prior to this, he co-founded and led Primus Power, a company specializing in long-duration stationary energy storage, and served as an Operating Partner at KCK Group, a private equity firm focused on industrial technologies. Earlier in his career, he held meaningful positions at Applied Materials, a leader in semiconductor equipment.
Stepien’s arrival at Amprius comes at a crucial time as the company increases production to meet the surging demand for its high-performance silicon batteries,which provide enhanced energy density for electric aviation,defense,and electric mobility applications.He will play a vital role in fostering strategic partnerships, enhancing customer relations, and exploring new growth avenues in impactful markets.
Dr. Kang Sun, CEO of Amprius Technologies, remarked, “Tom possesses a unique blend of technical knowledge and market leadership in innovative technology sectors. As we broaden our global reach, his extensive experience in scaling energy and manufacturing enterprises will be essential in steering Amprius through its next phase of commercial development. We eagerly anticipate Tom’s contributions as we strive to power the future of electrification with next-generation battery solutions.”
In response,Stepien stated,“Amprius stands out as one of the few companies that merges revolutionary battery technology with the capacity for large-scale production. With a robust technological foundation, an outstanding team, and increasing market momentum, the company is poised to lead the upcoming wave of electrification. I am thrilled to build upon this foundation and enhance Amprius’ influence in high-growth sectors where performance and energy density are paramount.”
Stepien holds both bachelor’s and master’s degrees in mechanical engineering from MIT and is a co-inventor on 11 U.S. and international battery patents. Additionally, he serves on the board of Euro Manganese (TSX-V and ASX: EMN), a supplier of battery materials for the electric vehicle market.
