Professional Learning Communities at Work®

Anthony Muhammad, PhD, is an author and international thought leader. He served as a practitioner for nearly twenty years where he served 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 (PLC).

Cassandra Erkens is the author of eight books with more currently in progress, as well as chapters in several anthologies. 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.

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.

Janel Keating is former superintendent of the White River School District in the state of Washington. She is a former elementary and middle school teacher, elementary principal, director of student learning, and deputy superintendent.

With over 30 years of experience in K–12 education, author and education expert Jeanne Spiller is an associate with Solution Tree, supporting schools and districts through workshops, coaching, and collaborative initiatives to enhance instruction, foster innovation, and promote equity.

Karen Power is an educational presenter and a former teacher, principal, superintendent, and senior advisor for professional learning and leadership. Karen has implemented the PLC process both as a principal and as a superintendent, and for several years, she has supported collaborative work in schools to meet the needs of students.

Kenneth C. Williams, a former teacher, assistant principal, and principal, shares his experience and expertise as a recognized trainer, speaker, coach, and presenter in education and leadership.

Michael J. Maffoni, an educator since 1987, has a diverse background that includes experience as a teacher, principal, and central administrator in a variety of districts in Colorado. He also teaches courses in educational leadership as an affiliate faculty member at Regis University.

Adam R. Hill is an assistant superintendent overseeing 13 middle schools in a large metropolitan school district in Georgia.