H. Ray Holder of San Marcos, Texas, has worked in the electrical industry for over forty years as an apprentice, journeyman, master, field engineer, estimator, business manager, contractor, inspector and instructor.

Mr. Holder is a graduate of Texas State University and holds a Bachelor of Science Degree in Occupational Education. He was awarded a lifetime teaching certificate from the Texas Education Agency, in the field of Vocational Education.

He is a certified instructor of electrical trades. His classes are presented in a simplified, easy-to-understand format for electricians.

Since 1965 Mr. Holder has taught over 25,000 students at Austin Community College, at Austin, Texas, Odessa College at Odessa, Texas, Technical-Vocational Institute of Albuquerque, New Mexico, Howard College, at San Angelo, Texas and in the public schools systems in Ft. Worth and San Antonio, Texas, and conducted electrical seminars throughout the United States. He is currently the Director of Education for Electrical Seminars, Inc. of San Marcos, Texas.

Mr. Holder is an active member of the National Fire Protection Association, International Association of Electrical Inspectors and the International Brotherhood of Electrical Workers.