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.

Geri Parscale spent 28 years in education and has worked as a classroom teacher, principal, professional development director, and finally deputy superintendent of Fort Leavenworth Schools, USD 207. Her mode of operation was always the same: learning for all kids.

Greg Kushnir is an educational leader and presenter with over three decades of dedicated service in public education, specializing in oral language, reading, and writing disabilities. He is committed to enhancing educational outcomes for all students.

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.

Kim Bailey is former director of professional development and instructional support for the Capistrano Unified School District in California. She also served as an adjunct faculty member at Chapman University in California.

Maria Nielsen, educational speaker and author, specializes in supporting teachers and administrators in the areas of PLCs, RTI, school culture, curriculum design, the highly engaged classroom, and assessment systems. Her life’s work is to help schools build successful systems to ensure high levels of student learning.

Sarah Schuhl specializes in professional learning communities, mathematics, assessment, school improvement, and RTI. She has been a secondary mathematics teacher, high school instructional coach, and K–12 mathematics specialist.