Authors & Presenters

Bob Sonju is an award-winning educational leader, author, and speaker known for his energetic and passionate commitment to making the work of schools and teacher teams simple, doable, and impactful.

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.