Authors & Presenters

Elliott Seif, PhD, is an educational presenter, author, school volunteer, and public school advocate. Previously he served as a social studies teacher, professor of education at Temple University, and the director of curriculum and instruction services for the Bucks County Intermediate Unit.

Dr Carol Tomlinson's career as an educator includes 21 years as a public school teacher and 12 years as a program administrator of special services for struggling and advanced learners. Special interests throughout Carol's career have included curriculum and instruction for struggling and advanced learners, effective instruction in heterogeneous settings, and encouraging creative and critical thinking in the classroom.

Mona Toncheff, an education consultant and author, is project manager for the Arizona Mathematics Partnership (a National Science Foundation-funded grant). She is a former mathematics content specialist for Phoenix Union High School District in Arizona where she provided professional development and curriculum development to high school teachers and administrators. Mona has supervised the culture change from teacher isolation to professional learning communities, creating articulated standards and relevant district common assessments and providing ongoing professional development on best practices, equity and access, technology, response to intervention, high-quality grading practices, and assessment for learning.

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.

Dr Phil Warrick is associate vice president of Marzano Research in Colorado. He was an award-winning administrator in Nebraska for nearly 12 years, most recently as principal of Round Rock High School, which serves nearly 3000 students. Dr Warrick has been an adjunct professor at Peru State College since 2005.

Katie White is coordinator of learning for the North East School Division in Canada. With more than 20 years in education, she has been an administrator, a learning coach and a classroom teacher.

Professor Dylan Wiliam is emeritus professor of educational assessment at University College London. One of the United Kingdom's leading experts on assessment, Dylan is an experienced international presenter who specialises in introducing educators to the principles and practice of assessment for learning.

Kenneth Williams, a former teacher, assistant principal, and principal, shares his experience and expertise as a recognized trainer, speaker, coach, and consultant in education and leadership.

Bill Zima is the director of implementation for Marzano Academies, working with schools to help realise their unique vision of high reliability organisations that build agency in all learners.