Authors & Presenters

Tammy Zunker has more than 30 years of experience in education. She specializes in working closely with instructional leaders, math coaches, and math teachers to leverage the professional learning communities process. Her focus is on strengthening collaborative planning to significantly impact teaching and learning outcomes.

Darlyne de Haan, EdD, is an instructional specialist for the New Jersey Department of Education, where she provided professional development to over 30 school districts labeled as either in need of improvement or a failing school.