Authors & Presenters

With over 30 years of experience in K–12 education, author and education expert Jeanne Spiller is an associate with Solution Tree, supporting schools and districts through workshops, coaching, and collaborative initiatives to enhance instruction, foster innovation, and promote equity.

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.

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. Amy Williams brings over 25 years of experience in education, specializing in fostering inclusive practices and systems-level change to improve student outcomes.

Holly Windram, PhD, is executive director of the Michigan Education Corps. She is a former district director of special education, school psychologist, assistant director of special education, and chief education officer.

John Wink currently serves as the Director of School Success for the Longview Independent School District in Longview, Texas. As a renowned superintendent, assistant superintendent and principal at elementary, middle and high schools, John's work in school improvement has transformed schools by transforming teachers and leaders.

Staci M. Zolkoski, PhD, is an associate professor of special education at the University of Texas at Tyler. She currently teaches classroom management, as well as courses in special education, behavior disorders, and educational strategies.