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Gerry Varty has served as a classroom teacher, principal, director of curriculum and instruction, assistant superintendent (learning and system improvement), and executive director of professional development.

Geri Parscale spent 28 years in education and has worked as a classroom teacher, principal, professional development director, and finally deputy superintendent of Fort Leavenworth Schools, USD 207. Her mode of operation was always the same: learning for all kids.

George J. Roy, PhD, is an associate professor of mathematics education at the University of South Carolina. He teaches mathematics methods courses in the Department of Instruction and Teacher Education.

Gayle Karhanek, an author and a consultant, was director of student services at Adlai E. Stevenson High School in Lincolnshire, Illinois, from 1979 to 2004.

Gayle Gregory, a former teacher, has extensive experience as a staff developer and administrator. She has taught at the elementary, middle, and high school levels as well as in university settings.

Gayle Allen, EdD, is an experienced educator, researcher, and author who helps educational leaders drive transformative change. Using theory, practice, and humor, she challenges teams to become collaborative, data-driven, and digitally connected.

Garrick Peterson helps teachers and administrators become high-functioning PLCs with a specific focus on making the connection between assessment and intervention.

Garnet Hillman is an educator, author, presenter, and learner. She has served as an instructional coach at Caruso Middle School and as a Spanish teacher at Lockport Township High School, both in Illinois.

François Massé is a superintendent of education for several schools and has been working in collaboration with educators to transform the culture of these institutions into professional learning communities.

Farshid Safi, PhD, is an assistant professor of mathematics education at the University of Central Florida (UCF) in Orlando. Dr. Safi focuses on developing prospective teachers’ conceptual understanding of elementary and secondary mathematics, as well as connecting mathematical topics through the use of technology and dynamic software.