Authors & Presenters

Emily Feltner, EdD, has over 30 years of experience at all levels in education. She works with schools and districts in the areas of leadership, literacy, and school improvement.

Michael J. Maffoni, an educator since 1987, has a diverse background that includes experience as a teacher, principal, and central administrator in a variety of districts in Colorado. He also teaches courses in educational leadership as an affiliate faculty member at Regis University.

Karen Power is an educational presenter and a former teacher, principal, superintendent, and senior advisor for professional learning and leadership. Karen has implemented the PLC process both as a principal and as a superintendent, and for several years, she has supported collaborative work in schools to meet the needs of students.

Keri Rathbun, EdD, is the director of Coordinated School Health and Career Counseling for Fort Smith Public Schools, Arkansas. She has worked in education for more than 20 years and served as an administrator at the middle and high school levels.

With over 30 years of experience in K–12 education, author and education expert Jeanne Spiller is an associate with Solution Tree, supporting schools and districts through workshops, coaching, and collaborative initiatives to enhance instruction, foster innovation, and promote equity.

With a career spanning over three decades, Tesha Ferriby Thomas, EdD, is a seasoned educator whose dedication to fostering collaborative learning environments has significantly enhanced educational practices and student outcomes in schools nationwide.

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.