Leadership

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.

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.

James Rawls serves as a principal in a large metropolitan school district in Georgia. His passion for education is evident through his experience of more than 20 years in the field.

Phillip Page, EdD, is the superintendent of the Bartow County School System in Cartersville, Georgia. His experience spans more than 30 years and includes serving as a biology teacher, high school assistant principal, middle school and high school principal, and assistant superintendent.

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.

Keri Greener, an educator for over 37 years, supports teachers and administrators in PLC and RTI processes, student engagement, school culture, and assessment systems. She has served as a teacher, literacy coach, specialist, principal, and director of assessment and professional development.

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.

Tim Solley is an experienced leadership coach for the Alabama Department of Education’s Office of School Improvement. With more than 35 years of service in public education, he was previously a classroom teacher, K–12 school administrator, and assistant superintendent.

Kyle is the principal of Powell Middle School in Powell, Wyoming. Prior to administration, he was an elementary teacher where he developed the passion for professional learning communities and the power behind building a strong culture and teamwork in a school.

Jeff Byrnes is the current assistant superintendent for teaching and learning in the St. Helens School District in St. Helens, Oregon. With over 25 years of experience in education, Jeff specializes in the implementation of professional learning communities and multitiered systems of supports. He is certified to lead in Professional Learning Communities (PLC) at Work® and Response to Intervention (RTI) at Work™. He has also served as a teacher, assistant principal, and principal in Arizona and Washington.