Patti Kelly Ralabate, EdD, is the author of the bestseller Your UDL Lesson Planner: The Step-by-Step Guide for Teaching All Learners (Paul H. Brookes, 2016) and co-author of Culturally Responsive Design for English Learners: The UDL Approach (with Loui Lord Nelson, CAST, 2017). Dr. Ralabate is founder and executive director of PKR Professional Learning, which works with educators who are interested in transforming their instruction and learning environments to better meet the needs of all learners. As director of implementation at CAST, Dr. Ralabate guided a multidistrict Universal Design for Learning (UDL) implementation initiative funded by the Bill & Melinda Gates Foundation that applied a systems-change lens to professional learning. During her tenure as director of the National Center on Universal Design for Learning, she was instrumental in building access to a storehouse of resources for lesson design and UDL implementation. She was the special education policy analyst for the National Education Association and an early partner in the National UDL Task Force that successfully brought UDL into federal policy. She has nearly three decades of teaching experience as a speech-language pathologist and holds a master's degree from the University of Massachusetts and a doctorate in special education from the George Washington University in Washington, DC.