JA

James Arnold

COO

James Arnold is an accomplished executive with extensive experience in strategic leadership and operational excellence, currently serving as Chief Operating Officer at ZELP Ltd since October 2025. Prior to this role, James held significant positions including Head of Strategy & Process at SkyBridge U.K. Ltd, where leadership focused on advancing electric aviation, and Head of Design Systems & Head of Process Excellence at Lilium, overseeing process design and organizational scale-up. As the Founder and CEO of SKY HAT LTD, James specialized in consulting and improving strategies for startups and established businesses. Academic credentials include a Master of Engineering in Mechanical Engineering from Imperial College London, earned in 2005. James has also contributed to various industries through a tenure at McKinsey & Company as an Engagement Manager and as a Design Engineer at Dyson.

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