Loui Lord Nelson, Ph.D., is an internationally recognized leader in universal design for learning (UDL) implementation. A former special education teacher, she held the first known school district-based UDL coordinator position, completed her UDL postdoctoral fellowship at CAST (the creators of UDL), is a member of the CAST Cadre, and is part of the UDL-Implementation and Research Network (IRN) leadership council. She has worked with educators across the United States, Canada, Europe, Asia, Africa, and Australia. Her publications include Design and Deliver: Planning and Teaching Using Universal Design for Learning (Paul H. Brookes Publishing, 2014), "The Role of Technology in Implementing Universal Design for Learning" (Routledge, 2017), Culturally Responsive Design for English Learners: The UDL Approach, and A Tree for All: Your Coloring Book of UDL Principles and Practice (CAST Professional Publishing, 2019). She also hosts the popular UDL in 15 Minutes podcast, heard in over 47 countries, and a new podcast, UDL Research in 15 Minutes. Both can be found at https: //theudlapproach.com/podcasts/

David H. Rose is the Founder and Chief Education Officer of CAST.