Authors & Presenters

Greg Kushnir is an educational leader and presenter with over three decades of dedicated service in public education, specializing in oral language, reading, and writing disabilities. He is committed to enhancing educational outcomes for all students.

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.

David LaRose is an education coach and presenter specializing in PLCs, RTI, leadership, and organizational culture. He is former superintendent for Culver City Unified School District in California.

Scott A. Laliberte is a career educational leader, presenter, and leadership coach with over 35 years of experience. He believes passionately in the impact school leaders have on both student learning and the long-term sustainability of educational systems.

Debra Lane, EdD, has been a teacher and administrator for more than 30 years in the United States and abroad. She has led several schools as principal, including Shanghai American School, one of the world's leading international schools.

Cortney Lane is a passionate, National Board–certified high school math teacher and instructional facilitator in Quitman, Arkansas. She promotes teacher collaboration to ensure high levels of learning for all.

Chad Lang serves as the director of high school teaching and learning, with a focus on the PLC at Work® process. He brings experience as a teacher, administrator, and district leader supporting collaborative teams and effective grading practices.

Dr. Nathan D. Lang-Raad, EdD, is a visionary educator, international speaker, and prolific author dedicated to transforming mathematics education and instructional practices. With a rich background spanning curriculum development, school leadership, and educational technology, Dr. Lang-Raad brings a unique perspective to his work.

Education specialist Kristi S. Langley most recently served as a district-level director of professional learning communities and a director of data and assessment. She has repeatedly facilitated successful schoolwide implementation of the professional learning communities process for more than 25 years.

Diane Lapp, EdD, is a distinguished professor of education at San Diego State University and an English teacher and literacy coach at Health Sciences High and Middle College.