Gavin Grift has experience as a teacher, an assistant principal, and an educational coach. He has written and presented on numerous topics, including cognitive coaching, professional learning communities, collaboration, and learning-centered leadership.
Mark W. Haystead, associate director of research and development at Marzano Research, conducts teacher and student survey research, teacher action research on classroom strategies, and program and product evaluation studies.
Robert J. Marzano, PhD, is cofounder and Chief Academic Officer of Marzano Research in Colorado. A leading researcher in education, he is a speaker, trainer, and author of more than 40 books and 300 articles.