Amprius Appoints Ricardo C. Rodriguez as CFO to Drive Strategic Growth

Veteran Finance Leader Joins Amprius to Accelerate Scale and Commercial Reach

Amprius Technologies (NYSE:AMPX), renowned for its next-generation silicon anode lithium-ion batteries, has appointed Ricardo C. Rodriguez as its new Chief Financial Officer, effective immediately. Rodriguez succeeds Sandra Wallach, who is retiring but will assist in a short-term transition period. This leadership move signals a pivotal point for Amprius as it prepares to advance its manufacturing capacity and strengthen its position as a technology leader.

Leadership Experience Anchors Strategic Vision

Rodriguez arrives with more than two decades of financial and strategic leadership across top automotive, technology, and electrification firms. Previously the CFO and Treasurer of Aspen Aerogels (NYSE:ASPN), Rodriguez guided that company through rapid expansion, major capital raises, and commercial scale-up, positioning it as a key materials supplier in the electrification market. Before that, as Aspen’s Chief Strategy Officer, he shaped commercial and strategic planning, lending critical expertise in high-growth, innovation-driven industries.

His background spans influential roles at Aptiv, ClearMotion, GM’s OnStar division, Amazon, Fiat Chrysler Automobiles, and investment banking at Lazard—experiences directly aligning with Amprius’ focus on the advanced battery and mobility landscape.

Strategic Growth in High-Energy Battery Solutions

Rodriguez’s appointment comes as Amprius looks to scale its commercial footprint and expand production of its SiCore® and SiMaxx™ battery technologies. These batteries—boasting up to 450 Wh/kg and 1,150 Wh/L in commercial offerings, and third-party-validated performance of 500 Wh/kg and 1,300 Wh/L—position Amprius as a top player in the market for high-performance cells used in aviation, defense, and next-generation mobility platforms.

Industry Momentum and Growth Outlook

"Amprius is at the forefront of redefining electrification with its silicon anode technology," Rodriguez shared. "I’m excited to join at such an important juncture—working to expand our breakthrough battery platform and powering advances across aviation, defense, and mobility sectors." His experience in scaling operations and building global partnerships is expected to help the company efficiently increase output and serve rising customer demand.

Amprius’ growth trajectory includes entering several agreements for over 1.8 GWh in contract manufacturing capacity. Its research and manufacturing base in Fremont, California, positions it to serve both R&D innovation and scale manufacturing, underpinned by Rodriguez’s financial discipline and strategic acumen.

Leadership Transition Aligns with Company’s Ambitious Goals

CEO Dr. Kang Sun expressed gratitude to outgoing CFO Sandra Wallach, recognizing her role in Amprius' successful public transition and stewardship of company capital. As Rodriguez assumes the financial helm, Amprius looks to reinforce its leadership in advanced batteries, targeting commercial expansion and technological milestones.

Key Takeaway for Investors and Industry Watchers

This CFO appointment is more than a routine transition—it underscores Amprius’ ambition to expand its high-density battery leadership through seasoned executive guidance. As Rodriguez joins at a crucial moment, all eyes will be on how his experience in scaling advanced technologies will help Amprius capture new opportunities across fast-growing markets.

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