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Tammy Miller is the former director of education for the Monroe County Community School Corporation in Bloomington, Indiana. Under Tammy’s leadership, the district advanced from a state letter grade of D to an A.

Rebecca Nicolas, EdD, is the principal of Fern Creek High School in Louisville, Kentucky. Her work is focused on the implementation of the PLC process and the integration of collaborative teams.

Jamie Nino is an area superintendent of Sanger Unified School District in California and oversees TK–12 school sites. She specializes in developing leaders at all levels, fostering strong learning cultures, and building fortified PLCs.

Michelle Marrillia, an educator since 1996, has a diverse background as an educator and a passion for training coaches in professional learning communities, developing teacher leaders, implementing response to intervention systems, and creating doable coaching programs.

Erica Martin is a literacy specialist at Kildeer Countryside School District 96, located in the northwest suburbs of Chicago. She has experience as a district leader, reading interventionist, and classroom teacher.

Diane Kerr, a consultant, was assistant principal at Mason Crest Elementary School, Fairfax County Public Schools, Virginia. She has supervised and led multiple teams, providing services to schools, parents, and students.

Kyle Palmer, EdD, is the former principal of Lewis and Clark Elementary in Liberty, Missouri. He is a passionate believer in the power of PLCs and uses his expertise to help schools build collaborative cultures to improve student learning.

Jacqueline Heller focuses on building capacity and collective efficacy with teachers to ensure all students learn at high levels. As a literacy teacher and coach at Mason Crest Elementary, she helped the school become the first National Model Professional Learning Community to receive the DuFour Award.

Mike Hagadone, MEd, served as the assistant superintendent of White River School District in Washington State until his retirement in 2020. With 40 years of experience, he is a former teacher, assistant principal, principal, and director of secondary education.

Chris Hansen has been a teacher, principal, and a director of technology and learning in his more than 30 years of education and international experience. Currently, he works as a Solution Tree associate throughout the United States, where his passion is implementing and refining professional learning communities.