Leadership Overview
Eos Energy Enterprises has 4 executives leading key functions including strategy, technology, operations, and legal affairs.
Driven by positively ingenious solutions, Eos Energy Enterprises accelerates the shift to clean energy, transforming global power storage with its breakthrough Znyth aqueous zinc battery technology.
Driven by positively ingenious solutions, Eos Energy Enterprises accelerates the shift to clean energy, transforming global power storage with its breakthrough Znyth aqueous zinc battery technology.
Leadership Roles at Eos Energy Enterprises
Joseph Mastrangelo - Chief Executive Officer
Joseph Mastrangelo, the Chief Executive Officer at Eos Energy Enterprises, directs the company's overall strategy and market positioning. Mastrangelo guides the organization's mission to accelerate the shift to clean energy through innovative power storage solutions. Overseeing global operations, the Chief Executive Officer ensures alignment with corporate targets for scaling the Znyth aqueous zinc battery technology. This leadership role involves expanding market share through strategic partnerships and product development. By optimizing the company's go-to-market approach, Joseph Mastrangelo directly impacts Eos Energy Enterprises' growth and financial stability. Ultimately, Mastrangelo secures long-term viability for the company's sustainable energy storage systems.
John Mahaz - Chief Operating Officer
John Mahaz, the Chief Operating Officer at Eos Energy Enterprises, executes the company's manufacturing and operational strategies. Mahaz oversees the efficient production of the Znyth aqueous zinc battery and associated energy storage systems, ensuring U.S.-based manufacturing standards are met. Directing supply chain logistics and operational scaling, the Chief Operating Officer guarantees product availability and quality for diverse customer applications. This position involves optimizing production processes to enhance efficiency and reduce costs, directly supporting the company's mission to provide a reliable energy storage alternative. By managing day-to-day operations, John Mahaz ensures Eos Energy Enterprises can meet market demand and deliver on its promise of positively ingenious clean energy solutions.

Francis Richey - Chief Technology Officer
Francis Richey, the Chief Technology Officer at Eos Energy Enterprises, architects the company's technological vision and product innovation. Richey spearheads the development and refinement of the breakthrough Znyth aqueous zinc battery, ensuring its superiority over conventional lithium-ion technology. Overseeing research and development, the Chief Technology Officer drives advancements in battery safety, scalability, efficiency, and sustainability. This critical role involves translating complex scientific principles into commercially viable energy storage solutions for utility, industrial, commercial, and residential customers. By fostering a culture of continuous improvement, Francis Richey ensures Eos Energy Enterprises remains at the forefront of energy storage technology, delivering reliable 3- to 12-hour applications.
Marie Martin - Chief Legal Officer
Marie Martin, the Chief Legal Officer at Eos Energy Enterprises, provides strategic counsel on all legal and compliance matters. Martin safeguards the company's intellectual property, including the innovative Znyth aqueous zinc battery technology, and ensures adherence to regulatory frameworks governing energy storage and manufacturing. Overseeing corporate governance and risk management, the Chief Legal Officer supports the company's expansion into new markets and customer segments. This role is crucial for navigating the complexities of U.S. manufacturing and clean energy initiatives. By managing legal affairs, Marie Martin enables Eos Energy Enterprises to operate with integrity and confidence, facilitating its mission to transform how the world stores power.

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