Authors & Presenters

Stephenie Smith is an instructional coach at Sparkman Middle School. A former middle school science teacher, she works with teachers, school administrators, and district leaders to implement effective professional learning communities and response to intervention.

Jennifer L. Sparrow is deputy superintendent of Singapore American School. She spent 13 years as a middle school teacher and 11 years as a schoolwide administrator.

Jeanne Spiller is assistant superintendent for teaching and learning for Kildeer Countryside District 96 in Illinois. Her work focuses on implementation of the Common Core State Standards.

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.

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.

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.