Cathy Seeley is a 30-year mathematics educator who has taught at the middle and high school levels and has served as a K–12 mathematics supervisor. From 2004 to 2006, she served a 2-year term as president of the National Council of Teachers of Mathematics. She was Director for Mathematics for the Texas Education Agency, the state’s department of education, from 1983 to 1991. She has also served as a director of policy and professional development for the Texas Statewide Systemic Initiative at the Charles A. Dana Center, University of Texas. Most recently she worked on the development of an online, project-based algebra program at the University of Texas at Austin. Before that, she spent two years as a Peace Corps volunteer teaching mathematics in Burkina Faso, West Africa.

Seeley has been involved in many state and national activities for the improvement of mathematics teaching, learning, and assessment. She led the mathematics writing team for the Texas Essential Knowledge and Skills (TEKS), the state’s most recent curriculum standards. Seeley also chaired the Committee on Guidelines for Developing Curriculum Programs in Mathematics and Science for the National Research Council (1998–99).