Mario Guglielmelli

Senior National Business Development Manager - Utility Scale BESS at Wärtsilä

Mario Guglielmelli is a seasoned professional in business development and engineering, currently serving as Senior National Business Development Manager for Utility Scale Battery Energy Storage Systems at Wärtsilä since January 2025. Prior to this role, Mario held the position of Key Account Manager/Business Development Manager at Energy Power Systems Australia, focused on large power solutions, and served as Territory Sales Manager for S&C Electric Company, where responsibilities included developing sales strategies for utilities and mining clients in Western Australia and the Northern Territory. Mario's extensive experience in the energy sector is complemented by roles in Schneider Electric, Gaia Energy, and various engineering positions, showcasing expertise in sales, project management, technical support, and design engineering in renewable and electrical systems. Mario earned a Bachelor’s Degree in Electrical Engineering from Università degli Studi di Napoli Federico II.

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Wärtsilä

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Wärtsilä Oyj Abp is a Finnish corporation which manufactures and services power sources and other equipment in the marine and energy markets.


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Headquarters

Helsinki, Finland

Employees

10,000+

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