Richard DuFour, EdD, was a public school educator for 34 years. A prolific author and sought-after consultant, he is recognized as one of the leading authorities on helping school practitioners implement the Professional Learning Communities at Work process.
Robert J. Marzano, PhD, is cofounder and CEO of Marzano Research Laboratory in Colorado. A leading researcher in education, he is a speaker, trainer, and author of more than 30 books and 150 articles.
