Mary Louise Hemmeter is a professor of Special Education at Vanderbilt University. Her research focuses on effective instruction, supporting social emotional development and addressing challenging behavior, and coaching teachers. She has directed numerous projects funded by the US Departments of Education and Health and Human Services. Through her work on the National Center on the Social Emotional Foundations for Early Learning and funded research projects, she was involved in the development of the Pyramid Model for Supporting Social Emotional Competence in Young Children and a model for coaching teachers to implement effective practices known as Practice Based Coaching. She is a co-author on the Connect4Learning Early Childhood Curriculum and the Teaching Pyramid Observation Tool. She was co- editor of the Journal of Early Intervention and President of the Council for Exceptional Children’s Division for Early Childhood. She received the Merle B. Karnes Service to the Division Award and the Mary McEvoy Service to the Field Award.