Professional Learning Communities at Work®

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

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).

Paul C. Farmer is a practitioner who has worked at the classroom, building, and central office levels. As principal of Joyce Kilmer Middle School, Paul was one of the first principals in Fairfax County, Virginia, to build a PLC.

Education specialist Kristi S. Langley most recently served as a district-level director of professional learning communities and a director of data and assessment. She has repeatedly facilitated successful schoolwide implementation of the professional learning communities process for more than 25 years.

Karly Ward is an experienced educational leader with over 17 years in teaching and administration. She specializes in visionary leadership, sustaining a healthy school environment, and ensuring system fidelity.

Beth Houf is principal of Fulton Middle School in central Missouri. Under her leadership, Fulton was recognized in 2019 as a Missouri Exemplary Professional Learning Community and a Model PLC.

As an author and a leader in the field, Sharon V. Kramer, PhD, emphasizes the importance of creating and using quality assessments as a continual part of the learning process. Dr. Kramer served as assistant superintendent for curriculum and instruction of Kildeer Countryside School District 96 in Illinois.

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.

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.