John Ralphs

Director Alkaline Stack Development

John Ralphs is a multifaceted engineer currently serving as the Director of Alkaline Stack Development at Sunfire, where they lead the technical development of pressurized alkaline electrolyser stacks for green hydrogen generation. With a strong background in energy efficiency and renewable energy, John has a proven track record in technical negotiation and customer relations, notably supporting the Japanese and Korean markets while working with major corporations like Mitsui. Prior to their role at Sunfire, John gained valuable experience through positions at Ceramic Fuel Cells Limited and SOLIDpower GmbH, and served as an Army Officer in the New Zealand Defence Force. John earned both a Bachelor and Master of Engineering from Massey University, focusing on environmental engineering technologies.

Location

Dresden, Germany

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