Paul Lee is the author of over 200 articles and blogs on power subjects as well as a book on power supply design techniques: 'Power Supplies Explained'. As a chartered engineer and with a degree in electronics, Lee has owned a power supply manufacturing company and later worked as a Director of Engineering for Murata Power Solutions. Currently he is a freelance writer and manages the European Power Supplies Manufacturers' Association. Lee lives in Oxfordshire UK, is an associate of the Royal Photographic society and holds an amateur radio license.