Barbara J. Dougherty is the past director of the Curriculum Research & Development Group and a professor in the College of Education at the University of Hawai‘i at Mãnoa. She is a former member of the board of directors of the National Council of Teachers of Mathematics and is the co-chair of the Mathematics/Special Education Workgroup, a partnership between the NCTM and the Council for Exceptional Children. She served on the author panel for the What Works Clearinghouse Practice Guide on assisting elementary school students who have difficulty learning mathematics for the U.S. Department of Education Institute of Education Sciences. She is the author or coauthor of approximately 22 book chapters, 29 articles, and 36 books, including MPower: A Pathway to Understanding Algebra. Her research, funded by more than $11.5 million in grants, emphasizes supporting students who struggle in middle and high school, with a focus on algebra. She holds teaching certifications in middle and high school mathematics and K–12 special education. Linda C. Venenciano is a professor in the School of Learning and Teaching at Pacific University, where she teaches and supports early childhood through high school preservice teachers in mathematics education. She is a former classroom teacher and has taught mathematics to students from first grade through undergraduate. She previously served as the interim director of the Curriculum Research & Development Group and as an associate professor of mathematics education at the University of Hawai‘i at Mãnoa. She is the author or coauthor of 21 peer-reviewed publications and 12 books. Linda is currently serving on the editorial board of Investigations in Mathematics Learning and has served as a program chair for the annual meeting of the Research Council on Mathematics Learning and as a guest editor for a special issue of Educational Studies in Mathematics.