Professional Learning Communities at Work®

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.

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.

Tim Brown is an internationally recognized presenter and practitioner who specializes in helping school leaders and teachers align their school improvement efforts across an entire campus and/or district.

Chad M. V. Dumas, EdD, focuses primarily on collaborating to develop capacity for continuous improvement. An international educational presenter and award-winning researcher, he has led nationally recognized improvements for both students and staff.

Danieli Parker is director of innovation and instructional technology for Hallsville ISD in Texas. With more than 18 years of education experience, she has served as a classroom teacher, assistant principal, principal, and director.

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.