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Treena Casey is executive director of teaching and learning at Singapore American School. She previously served as assistant director for curriculum and instruction at Shekou International School in China.

Tom Schimmer is an author and a speaker with expertise in assessment, grading, leadership, and behavioral support. He is a former district-level leader, school administrator, and teacher.

Tom Hierck has been an educator since 1983, and his career has spanned all grade levels and many roles in public education. He has presented to schools and districts across North America with a message of celebration for educators seeking to make a difference in the lives of students.

Tom Castellano has 50 years of experience in education. He shares his knowledge with educators as a consultant who offers presentations and workshops on Lee Canter’s relationship-based classroom management.

Todd Whitaker, PhD, is a professor at Indiana State University. Recognized as a leading presenter in the fields of education and leadership, his message has resonated with over a million professionals around the world.

Toby J. Karten is an experienced educator who has worked in the field of special education since 1976. She has been a resource teacher, staff developer, adult educator, and inclusion consultant in New York, New Jersey, and Texas schools and in many other districts nationally and globally for students and educators in grades preK–12 and beyond.

Timothy V. Rasinski, PhD, is a professor of literacy education at Kent State University. He focuses on reading fluency and word study, reading in the elementary and middle grades, and readers who struggle.

Timothy S. Stuart, EdD, is head of school for International Community School of Addis Ababa in Ethiopia. In his previous role as executive director of strategic programs at the Singapore American School, he served as the chief architect for research and development and supported strategic school reform.

Timothy D. Kanold, PhD, an award-winning educator and author, is former superintendent of Adlai E. Stevenson High School District 125, a Model PLC at Work® district in Lincolnshire, Illinois.

Tim Brown is an internationally recognized presenter and practitioner who specializes in helping school leaders and teachers align their school improvement efforts across an entire campus and/or district.