The National Association of Speed and Explosion (NASE) was founded in 1986, by Dr. George B. Dintiman and Dr. Bob Ward, former strength and conditioning coach of the Dallas Cowboys. Its Board of Directors, Advisory Board and Certification Board are the most respected coaches, strength and conditioning coaches, personal trainers, educators, and physicians in sports.

The NASE is the world’s leading authority on speed improvement and the only association focusing entirely on the improvement of speed in short sprints to enhance performance in baseball, basketball, field hockey, football, lacrosse, rugby, soccer, softball, tennis, and track. Based upon the latest research findings, the association provides practical information on all aspects of speed to coaches, athletes, parents and the general public. A team of some of the world’s leading speed improvement and strength and conditioning authorities join forces to optimize the performance of athletes at all levels of competition.

The NASE is also an educational organization and International Certification Agency for team and individual sport coaches (Youth Sports, Middle and High School; College, University and Professional); strength and conditioning coaches, personal trainers, athletic trainers and physical therapists who seek to master the techniques of speed improvement training and become recognized for their expertise. Approximately fifty exam dates are scheduled in the USA, Japan and Canada in June, July, and December. Thirty-five NASE State Directors and a Director of Japan, Germany and Canada oversee the program in that state and country.

NASE President, Dr. Dintiman,, is actively involved in personal speed training, consulting, and research and writing in the area of speed improvement. He is the author of 44 books as well as over 150 articles and videos on speed improvement, sports conditioning, fitness and wellness, nutrition, weight control, and general health. His speed improvement techniques and books are in use throughout the world at all levels of competition. He is a former draft choice of the Baltimore Colts of the NFL and a selection of the Montreal Alouettes of the CFL. After leading Lock Haven University to its first undefeated team, his Jersey was retired from use; the only jersey ever retired in 125+ years. Dr. Dintiman was also one of the State of Pennsylvania's leading scorers in basketball and Captain of the University Track Team running the high and low hurdles and 100-meter dash.

Dr. Dintiman is credited with starting and coaching the first Inter collegiate football team in the History of Puerto Rico in 1964. He also coached the Inter American University of Puerto Rico basketball team to two undefeated seasons. Dr. Dintiman was inducted into the Capital Area Chapter of the Pennsylvania Sports Hall of Fame in 1993.