Professional Learning Communities at Work®

Maria Espinoza, EdM, is the principal of Freeport Elementary in Freeport, Texas. With 17 years of experience, she specializes in early childhood education and implementing the professional learning community process to help underperforming schools.

Ted Goergen, EdD, is the director of student activities at the award-winning Adlai E. Stevenson High School in Lincolnshire, Illinois. A practitioner for 20 years, he also served as a middle and high school science teacher and curriculum team leader.

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.

Dennis King, EdD, has focused on school improvement throughout his career, first as a practicing school administrator and now as an educational presenter. His 28 years in education include teaching in an alternative school, an urban high school, and two suburban school districts where he also served as a district administrator.

Eric Twadell, PhD, is superintendent of Adlai E. Stevenson High School in Lincolnshire, Illinois. He has been a social studies teacher, curriculum director, and assistant superintendent for leadership and organizational development.

Joe Cuddemi has over 35 years of experience in education, serving as a teacher, counselor, and principal in a wide variety of educational settings, including adjunct professor at Colorado State University.

Kim Bailey is former director of professional development and instructional support for the Capistrano Unified School District in California. She also served as an adjunct faculty member at Chapman University in California.

Maria Nielsen, educational speaker and author, specializes in supporting teachers and administrators in the areas of PLCs, RTI, school culture, curriculum design, the highly engaged classroom, and assessment systems. Her life’s work is to help schools build successful systems to ensure high levels of student learning.

Rachel Hankerson is currently the principal of Yulupa Elementary School. Rachel has emphasized the importance of working as a team to ensure continuous improvement through professional learning communities, and as a leader, she is able to break down large concepts into manageable chunks, ensuring that her staff feels confident.

Josh Huwig currently serves as an elementary school principal with over 10 years of administrative experience. He has served as a high school teacher, dean of students, assistant principal, and elementary school principal.