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Dónall O' Brien has extensive experience in the field of industrial decarbonisation and energy management. As the Chief Technology Officer at EM3, Dónall provides guidance and knowledge to the next generation of problem solvers. With a background in utilities design and energy consultancy, Dónall has worked in various roles such as Energy Consultant and Utilities Design/Project engineer. Dónall holds a B. Eng in Mechanical Engineering from Munster Technological University.