Authors & Presenters

Allison Lewallen, EdM, principal of Morris Middle School in Houston, Texas, has worked in education for more than 15 years as a teacher, instructional specialist, and assistant principal. As principal, her school was named a Model Professional Learning Community at Work® campus.

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 director of communication arts at Adlai E. Stevenson High School in Illinois. He guides literacy interventions and staff development, oversees ELA assessment, and supports curricular and instructional evolution.

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.

Suzette Lovely, EdD, an educational consultant, worked in K–12 education for 37 years, serving as a teacher, principal, assistant/deputy superintendent, and most recently, superintendent at the Carlsbad Unified School District, before retiring in 2016.