Authors & Presenters

David A. Levine is a teacher, trainer, facilitator, author, and musician who has made an indelible impact on students, teachers, and parents throughout the United States and abroad since 1984.

Allison Lewallen, EdM, is a Pasadena ISD principal and school support coach with over 18 years of experience. As former principal of Morris Middle School, she led the campus to be named a Model PLC at Work® school.

Pamela Liebenberg, EdD, has been an educator for more than 25 years. She has served as an award-winning teacher, assistant principal, principal, regional director, and district director supervising 35 schools in the Tuscaloosa County School System.

Dana Lillis serves as the director of teaching and learning for Carlisle Community Schools in Carlisle, Iowa. Dana’s passion is developing agency in teacher leaders and administrators to ensure they have the knowledge, skills, and tools to lead and support the PLC process.

Doug Lillydahl is recently retired after 12 years as director of communication arts at Adlai E. Stevenson High School in Illinois. He has been an integral part of professional learning communities for three decades while supporting literacy interventions and staff development.

Ellen Linnihan is a National Board Certified English and public speaking teacher in Wisconsin. Her passion is using video to improve teaching and learning to empower students of all levels.

Ann-Bailey Lipsett is a special education specialist and DIR/Floortime practitioner with twenty years of experience working with children, families, and schools.

Laura Lipton, EdD, is an international consultant whose writing, research, and seminars focus on effective and innovative instructional practices and on building professional and organizational capacities for enhanced learning.

Jill Lizier is a districtwide director of curriculum, instruction, and assessment in Exeter, New Hampshire, and has previously served as an assistant principal and special education building coordinator, a curriculum coordinator for an elementary school, and first-grade teacher.

Gearl Loden is the superintendent of Nixa Public Schools. Under Dr. Loden’s leadership, Nixa Public Schools has been recognized as a Model PLC at Work® district and includes multiple Model PLC at Work schools.