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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.

Clara Sale-Davis takes no excuses for low performance, and she sets an inspiring example for all students, noting that “all means all.” Born, raised, and educated in Texas, she worked in the Brazosport Independent School District in Freeport for 32 years.

Christy McAloney is mathematics Common Core lead teacher for Grossmont Union High School District in California. Her primary focus is leading teachers through the implementation of PLCs and the Common Core curriculum.

Chris Jakicic, EdD, an author and a consultant, was principal of Woodlawn Middle School in Illinois from 1999 to 2007. She began her career teaching middle school science.

Cheryl Tibbals served as a teacher and district leader in California; state director of assessment development in Kentucky; director of the State Leadership Center in Washington, DC; and national consultant and senior advisor to states, districts, and education businesses.

Cheryl O’Leary is principal of Thomas Edison Primary School, a Title I school located in Kankakee, Illinois. Cheryl implemented professional learning community concepts and results-driven professional development that brought about substantial, schoolwide change.

Cheryl Lemke, an author and a consultant, specializes in public policy for K–12 learning technology, working at a variety of levels with governors, legislators, superintendents, business leaders, and teachers.

Cheri Lovre, an author and a consultant, has nearly 30 years of experience in crisis response and trauma intervention and is an internationally acclaimed leader in the field.

Charlie Coleman has been a principal at the high school, middle, and elementary school levels in ethnically and socioeconomically diverse communities, where he effectively decreased behavior problems and increased academic success. Creating positive learning environments for ALL continues to be a priority for Charlie, and he has experience improving school culture in many schools, K–12.