Bill Drury is an independent consultant in power electronics, electrical machines, and drives (PEMD). He has 45 years of industrial PEMD experience at Siemens, and Rolls-Royce, and 20 years as Technical Director of Control Techniques. He is a Chartered Engineer and a Fellow of the Institution of Engineering and Technology (IET). He is a visiting professor of innovation at Bristol University and a visiting professor at Newcastle University.