Siemens UK Management

Executive Managing Board

Carl Ennis

CEO Siemens plc and Smart Infrastructure, GB&I


Carl Ennis is Chief Executive of Siemens plc and Siemens Smart Infrastructure. He has worked in the power industry for more than 35 years. He is an engineer first, with a real passion for the breadth of the discipline. Having started his career as an apprentice, he is a keen advocate of the skills and diversity agendas, recognising the need for new and diverse thinking in ever-changing markets.

He joined Siemens as General Manager for Industrial Projects and Systems in 1997. After three years, he left to become MD of Weir Valves and Controls before returning to Siemens in 2004 to manage their Transmission and Distribution's service business. He was responsible for the power generation service business in Newcastle until 2011, and then spent over three years in Shanghai where he was responsible for that business in Asia Pacific. On his return to the UK he was appointed MD of the Power divisions in the UK & Ireland, and then of the Energy Management division in 2016. He is a Chartered Engineer, a fellow of the IET, sits on the President’s Committee of the CBI, and is a Visiting Professor of Practice at Newcastle University.


Carl Ennis is Chairman of Net Zero North West.