Ralf Plieninger has been sonnen GmbH's Chief Technology Officer (CTO) since May 2022, heading up the company's research and development as well as the global service.
Before that, he was Managing Director and COO/CTO at Torqeedo, an innovative specialist for electric boat drives, building up the company for almost 10 years. Prior to that, he held various top management positions in engineering and supply chain management at the photovoltaic manufacturer Q-Cells.
During the first ten years of this career, he worked in different locations at Infineon Technologies in the areas of production planning, product and process engineering and package development. He holds a PhD in semiconductor physics with a thesis on thin silicon solar cells.
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