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James H. Stronge, PhD, is a consultant specializing in policies and practices related to teacher quality and effectiveness, teacher and administrator evaluation, and teacher selection.

Eric Twadell, PhD, is superintendent of Adlai E. Stevenson High School in Lincolnshire, Illinois. He has been a social studies teacher, curriculum director, and assistant superintendent for leadership and organizational development.

Douglas Reeves, PhD, is the author of more than 40 books and more than 100 articles on leadership and education. He has twice been named to the Harvard University Distinguished Authors Series and was named the Brock International Laureate for his contributions to education.

Douglas Fisher, PhD, is professor of educational leadership at San Diego State University and a teacher leader at Health Sciences High and Middle College in California.

Cassandra Erkens is an education expert and the author of several books. Additionally, she is a facilitator, a trainer of trainers, an educator, and a coach. Her work focuses on educational topics, including assessment, instruction, leadership, school improvement, and professional learning communities.

Casey Reason, PhD, is an award-winning author, speaker, coach, and thought leader in the areas of leadership development, digital learning, and the deep and substantive implementation of professional learning communities.

Brian M. Pete comes from a family of educators—college professors, school superintendents, teachers, and teachers of teachers. He has a rich background in professional development and has worked with adult learners.

Anthony Muhammad, PhD, is an author and international thought leader. He worked as a practitioner for nearly 20 years, serving as a teacher, assistant principal, and principal. He is recognized as one of the fields leading experts in the areas of school culture and Professional Learning Communities at Work^®.

Anne E. Conzemius, a trainer and coach, has served as director of employee development and training for Wisconsin’s Department of Employment Relations, and as assistant state superintendent at the Wisconsin Department of Public Instruction.

Andy Hargreaves, PhD, is the Thomas More Brennan Chair in Education in the Lynch School of Education at Boston College. He has taught primary school and lectured in several English universities, including Oxford.