William Yeadon William H. Yeadon, P.E. is the President of Yeadon Engineering Services, P.C. and Yeadon Energy Systems, Inc. He helped to establish the motor college for the Small Motor and Motion Association (SMMA). His is a member of SMMA, Electrical Manufaturing and Coil Winding Association (EMCWA), National Society of Professional Engineers (NSPE) and The Institute of Electrical and Electronics Engineers, Inc. (IEEE). He currently writes and teaches courses for the SMMA and EMCWA, designs motors, and is a consultant. He has more than 30 years of experience in electric motors, holding positions in design and development, management, production, and quality control with companies that include Redmond Motors, A.O. Smith, Warner Electric, and the motor division of Barber-Colman Company. Read More Read Less