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Sea Dragon Energy’s Entrepreneurial Team draws on its deep technical expertise, proven track record and industrial knowledge.

John Kohut

Chairman & CEO

John is a forward-thinking leader and serial entrepreneur. With several successful start-up enterprises in his back-pocket – such as Global Air Logistics and Training, Orison, Planetary Power and Astrobotic Technology to mention a few – he is guiding Sea Dragon Energy's vision to become the next trail-blazer in the alternative energy space.  


Sea Dragon Energy is leveraging off John’s broad and in-depth technological knowledge in renewable energy and his vast network in the defense space. A former F-14 Tomcat Naval Flight Officer – a high-flying career spanning over 27 years – he is locked on target.

Stefan is a business strategist and a renewable energy executive. Being highly organized and stubborn, he brings direction and momentum to Sea Dragon Energy and having worked for over 20 years in the energy business, he contributes valuable industrial expertise to the team. 


He is driven by curiosity and inspired to bring new and innovative solutions to big issues facing the world. Stefan spent over a decade developing renewable energy across the world before joining the Sea Dragon Energy team. With a background in financing, he is ready to pull out the breaks and roll out the spreadsheets.  

Stefan Sillen

President & COO

Roger Lenard


With 12 patents under his belt, Roger is a genuine innovator with profound technical expertise in nuclear engineering and innovative energy solutions. He brings over 35 years of experience in high technology research and development to Sea Dragon Energy – always a step ahead. 


Apart from being a valued member of Sea Dragon Energy's management team, Roger is also the chairman of the International Academy of Astronautics Commission III. Among several past roles, he previously served as the program manager within the Strategic Defense Initiative Organization. As a former F-106 test pilot, Roger is always ‘game on’ for a new challenge.

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