Eos Energy Enterprises appoints John Mahaz as new COO

Published 18/08/2025, 13:08
Eos Energy Enterprises appoints John Mahaz as new COO

EDISON, N.J. - Eos Energy Enterprises, Inc. (NASDAQ:EOSE), a $1.52 billion market cap energy storage company, announced Monday the appointment of John Mahaz as Chief Operating Officer to lead the company’s operations, supply chain, and manufacturing strategy. According to InvestingPro data, the company has demonstrated impressive revenue growth of 128% over the last twelve months, though operational challenges persist.

Mahaz joins Eos with over three decades of experience from Jabil Inc. (NYSE:JBL), where he most recently served as Senior Vice President of Operations for Europe and the Americas. In that role, he oversaw more than 70,000 employees across more than 30 factories worldwide, generating over $14 billion in annual revenue. His appointment comes at a crucial time, as InvestingPro analysis shows the company faces challenges with negative gross margins, though it maintains a healthy current ratio of 2.23, indicating strong short-term liquidity.

"Achieving our growth objectives requires operational excellence," said Joe Mastrangelo, Eos Chief Executive Officer, in a press release statement.

Mahaz’s background includes experience in multiple industries including defense, aerospace, automotive, network infrastructure, data storage, and healthcare. His accomplishments include launching multiple production facilities and leading the rebuild of manufacturing operations in Puerto Rico following Hurricane Maria.

Eos Energy Enterprises specializes in zinc-based battery energy storage systems manufactured in the United States. The company’s battery energy storage systems feature its Znyth technology, which the company describes as an alternative to conventional lithium-ion technology.

The appointment comes as Eos enters what it characterizes as a phase of rapid growth in scaling American-made energy storage solutions.

Mahaz has been recognized for his leadership, having led multiple manufacturing facilities to win the Shingo Prize for Operational Excellence, according to the company’s announcement.

In other recent news, Eos Energy Enterprises Inc reported its Q2 2025 earnings, which showed a significant shortfall in both earnings per share (EPS) and revenue compared to forecasts. The company announced an EPS of -1.05, which was substantially lower than the anticipated -0.1371, marking a 665.86% negative surprise. Furthermore, Eos Energy’s revenue was reported at 15.24 million dollars, falling short of the expected 25.11 million dollars by 39.31%. These results were part of the company’s recent developments. The earnings miss has drawn attention from analysts, although specific upgrades or downgrades were not mentioned in the report. Investors are closely watching these developments for further updates.

This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.

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