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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.

Eric C. Sheninger, a high school principal, focuses on establishing and fostering learning environments that are student-centered, collaborative, flexible, and designed to prepare all learners to succeed in the 21st century.

Erhan Selcuk Haciomeroglu, PhD, is an associate professor of mathematics education at the University of Central Florida. His research focuses on the conceptual understanding of calculus and technology integration in teaching.

Emily L. Gibson, EdD, is a teacher-consultant with the Redwood Writing Project, providing professional development in writing and literacy instruction for K–college teachers in Humboldt County.

Eileen Depka, PhD, has a background in assessment, common assessment design, rubric development, standards-based assessment, question design, classroom questioning practices, positive practices in grading and reporting, and the implementation of standards-based grading and reporting.

Edward C. Nolan is currently an assistant professor of education at Moravian University in Bethlehem, Pennsylvania, teaching courses to understand the middle level learner; mathematics methods courses for early childhood, middle level, and secondary mathematics; and supporting field placements in education across the grades.

Douglas Reeves, PhD, is the author of more than 40 books and more than 100 articles on leadership and education. He has twice been named to the Harvard University Distinguished Authors Series and was named the Brock International Laureate for his contributions to education.

Douglas Fisher, PhD, is professor of educational leadership at San Diego State University and a teacher leader at Health Sciences High and Middle College in California.

Doug Lillydahl is recently retired after 12 years as director of communication arts at Adlai E. Stevenson High School in Illinois. He has been an integral part of professional learning communities for three decades while supporting literacy interventions and staff development.

Donna Simpson Leak, PhD, is superintendent of Community Consolidated Schools District 168 in Illinois. She has trained thousands of teachers and presented at more than 200 conferences worldwide.