Authors & Presenters

Scott M. Beattie is the assistant superintendent for instruction of the Windsor Central School District in Windsor, New York. With over 15 years experience, he specializes in professional learning community and Community School implementation, technology integration, and K–12 career pathway development.

Chris Beingessner is the middle school principal of Singapore American School, located in the Woodlands area of Singapore. He has been a vice principal in elementary, middle and high schools around the world and has taught grades 1–12.

Chris Bergmann serves as an assistant principal at Timnath Middle-High School in Colorado. Previously, he spent 17 years as an administrator, science teacher, and coach at Kinard Middle School, a Model PLC at Work® School.

Jeff Byrnes is the former principal of Mountain Meadow Elementary in the White River School District in Buckley, Washington. With over 25 years of experience in elementary education, Jeff specializes in the implementation of professional learning communities and multitiered systems of supports.

David (Cal) Callaway, EdD, is the deputy head of school at the International Community School of Addis Ababa in Ethiopia. He has worked in international education since 1998 and has served as both a teacher and an administrator.

Blake Clark brings a wealth of experience from various educational settings, including schools, districts, and charter schools across North America. He is a firm believer that schools can achieve their fullest potential through collaborative efforts centered on intentional learning.

Dr. Jim Cummins supports school leaders wanting to build student-centered cultures. During his 30 years of positively impacting students, he served as coach, teacher, principal, superintendent, and junior college vice president.

Stephanie Discher serves as the director of elementary education for Wasatch County School District in Utah. With a sincere passion for empowering educators, she is dedicated to fostering a deep understanding of and appreciation for the professional learning community process.

Robert Eaker, EdD, is a professor emeritus at Middle Tennessee State University, where he also served as dean of the College of Education and interim vice president and provost.

Cassandra Erkens is the author of eight books with more currently in progress, as well as chapters in several anthologies. Additionally, she is a facilitator, a trainer of trainers, an educator, and a coach. Her work focuses on educational topics, including assessment, instruction, leadership, school improvement, and professional learning communities.