Professional Learning Communities at Work®

Quinn Wulbecker, EdD, is principal at Adolph Link Elementary School, a large K–6 public elementary school that’s home to a Spanish/English dual language program in Schaumburg, Illinois.

Jonathan G. Vander Els specializes in supporting teachers and administrators in schools and districts across the country in developing, sustaining, and enhancing structures to support all learners.

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.

Troy Gobble is principal of Adlai E. Stevenson High School in Illinois. He previously served as assistant principal for teaching and learning at Stevenson.

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.

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.

Dennis King, EdD, has focused on school improvement throughout his career, first as a practicing school administrator and now as an educational presenter. His 28 years in education include teaching in an alternative school, an urban high school, and two suburban school districts where he also served as a district administrator.

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.

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.