Charles M. Reigeluth is a distinguished educational researcher and consultant who focuses on paradigm change in education. He has a B.A. in economics from Harvard University, and a Ph.D. in instructional psychology from Brigham Young University. He taught high-school science for three years, was a professor at Syracuse University for 10 years, was a professor at Indiana University for 25 years, and is currently a professor emeritus in the School of Education at Indiana University. While at Indiana University, he facilitated a paradigm change effort in a small school district in Indianapolis for 11 years. His latest books are Instructional-Design Theories and Models, Volume IV: The Learner-Centered Paradigm of Education (www.reigeluth.net/volume-iv), Vision and Action: Reinventing Schools through Personalized Competency-Based Education (www.reigeluth.net/vision-and-action), and Merging the Instructional Design Process with Learner-Centered Theory: The Holistic 4D Model (www.reigeluth.net/holistic-4d). They chronicle and offer guidance for a national transformation in K-12 education to the learner-centered, competency-based paradigm. He offers presentations and consulting on this topic..