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David Hyerle, EdD, is an author, researcher, seminar leader, and keynote speaker focused on integrating content learning, thinking process instruction, and collaborative leadership across whole schools.

David Hoss is elementary principal of Singapore American School. He has built a powerful professional learning community in his school that focuses on the success of all students.

David A. Sousa, EdD, is an author and international consultant. He has received numerous awards from professional associations, school districts, and educational foundations for his commitment to research, staff development, and science education.

David A. Levine is a teacher, trainer, facilitator, author, and musician who has made an indelible impact on students, teachers, and parents throughout the United States and abroad since 1984.

Darin L. Fahrney, PhD, is the coordinator for strategic implementation and an upper school teacher at the American International School of Zagreb, Croatia. He brings a broad range of experience and expertise to his work, having previously served as a high school principal, learning support coordinator, gifted and talented coordinator, contributing author, researcher, and consultant.

Daniel Cohan retired in 2023 as chief of schools for the Jefferson County Public School District in Colorado, where he supervised elementary, middle, and high schools, K–12.

Damian Cooper has specialized in student assessment for more than 20 years. He has been a secondary English, special education, and drama teacher; a department head; a librarian; a school consultant; and a curriculum developer.

Crystal Kuykendall, PhD, JD, is the founder and president of Kreative and Innovative Resources for Kids (K.I.R.K), Inc., which provides crucial services to those who guide youth at risk toward a positive future.

Craig Cullen, PhD, is an associate professor of mathematics education at Illinois State University. He works with preservice secondary mathematics teachers, regularly teaching methods courses and supervising student teachers.

Connie Schrock, PhD, is an expert in K–12 education and college-level mathematics and has decades of experience in collaborating closely with educators and districts to enhance student mathematics learning in middle school, high school, and college.