Derrick R. Lavoie, Ph.D. is founder and Director of the Discovery Institute for the Advancement of Science and Technology Education, a non-profit corporation. Dr. Lavoie has been involved with research and teaching of science/technology education for over 25 years and also teaches biology at Cuesta and Hartnell Colleges. He has taught university education and science courses since 1985 and is widely published in science and technology education. His most recent book, "Models of Science Teacher Preparation: Theory into Practice" is being used in science teacher preparation world wide.