Dan McGrail took up his post of interim CEO at Great British Energy in March 2025, on secondment from his role as Chief Executive at RenewableUK. Previously he was the CEO of Siemens Engines, having joined Siemens UK in 2004 and worked in a variety of roles across the energy industry. Between 2010 and 2014 he led Siemens plans to develop and invest in offshore wind turbine manufacturing in the UK, securing the world-class offshore wind turbine blade factory and port facility in Hull, negotiating with the UK Government and overseeing one of the company’s most significant factory investments in its recent history. The Final Investment Decision of £160m was announced in 2014, alongside a £150m investment by Associated British Ports to revitalise Hull’s Alexandra Dock. As Managing Director of Siemens Power Generation from 2014 to 2017, Dan expanded Siemens UK’s activities in the thermal power market. He became CEO of Siemens Engines in November 2017, leading the rebranding of the company and helping to secure significant growth.