Authors & Presenters

Jonathan A. Wray is a mathematics instructional facilitator for the Howard County Public School System in Maryland. He is a former elementary teacher, gifted and talented resource teacher, mathematics supervisor, grant project manager, and consultant.

Gwendolyn Zimmermann, PhD, is director of assessment, research, and evaluation at Adlai E. Stevenson High School District 125, a model professional learning community district in Lincolnshire, Illinois.