Ivor Catto

CEO, RES Ltd / Chairman, WindEurope


Ivor joined RES Group in May 2016 taking over as Chief Executive with the retirement of Ian Mays. RES Group is one of the world’s largest private renewable energy companies operating in development, construction and support services of renewable energy assets and energy storage. The Group has developed and built more than 13GW of renewable energy capacity globally, adding another 1.5GW in the last year, and is listed by Navigant as the second largest global company in energy storage. Ivor was previously Chief Executive at Hyder Consulting plc a multi-national design and engineering Group which saw a significant rise in its value over his seven years in charge. Earlier in his career he was a business manager with Scottish Power plc before moving to WS Atkins plc, initially to run their Power business before then joining their main Executive Board in 2003. With his appointment to the Board he took on the additional leadership of the company’s wider energy, infrastructure, environment and property business divisions. Ivor is a Chartered engineer, a Fellow of the Royal Academy of Engineering, a Fellow of the Institution of Mechanical Engineers, a Fellow of the Institution of Civil Engineers and a Fellow of the Smeatonian Society of Civil Engineers. He is also a graduate of the Harvard Business School’s Advanced Management Program.


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