Ray Holder has worked in the electrical industry for more than 50 years as an apprentice, journeyman, master, field engineer, estimator, business manager, contractor, inspector, consultant, author, and instructor. He is a graduate of Texas State University and holds a Bachelor of Science degree in occupational education. A certified instructor of electrical trades, he has been awarded a lifetime teaching certificate from the Texas Education Agency in the field of vocational education. Mr. Holder has taught thousands of students at the University of Texas; Austin Community College; Odessa College; Technical-Vocational Institute of Albuquerque, New Mexico; Howard College at San Angelo, Texas; and in the public school systems in Fort Worth and San Antonio, Texas. He is currently the director of education for Electrical Seminars, Inc. Mr. Holder is a past member of the National Fire Protection Association and International Association of Electrical Inspectors, and a retired member of the International Brotherhood of Electrical Workers.