John was born and raised in Denver and graduated from Thomas Jefferson High School. He attended Texas Christian University in Fort Worth, Texas, and graduated with a B.S in Chemistry. He then attended the National College of Chiropractic in Lombard, Illinois, where he received a B.S. in Human Biology and a Doctor of Chiropractic degree. After 27 years he retired from private practice. He has also taught Chemistry at the high school level and Human Anatomy and Physiology at the college level. His interests include science, nature, and puzzles.