Wisconsin Advisors


Diana L. Kasbaum

Diana Kasbaum has been a leader of mathematics education at the local, state, and national levels.  Her 40+ years in education include experience as a teacher, district mathematics coordinator, state department mathematics consultant, and state and national association leader. After more than 14 years leading mathematics education in the state, she retired from the Wisconsin Department of Public Instruction in October 2015.

As the mathematics education consultant for the WI Department of Public Instruction, Diana’s work focused on improvement in the teaching and learning of mathematics, including implementation of the Common Core State Standards for Mathematics and development of large scale mathematics assessments.  She spearheaded efforts to build collaboration across local, regional, and state agencies, including professional organizations for teachers, mathematics leaders, and administrators.  From 1994-2015, she was a coordinator of the WI Mathematics Leadership Council and on the Wisconsin Mathematics Council’s Board of Directors from 2000-2015, serving as WMC President, 2009-11.

At the national level, Diana has been President, as well as Vice-President for Membership for the Association of State Supervisors of Mathematics and is a member of the National Council of Teachers of Mathematics and the National Council of Supervisors of Mathematics.  She has been on the planning and/or advisory boards for the Illustrative Mathematics Project, the Mathematics Teacher Education Partnership, the Mathematics Common Core Coalition, and the Conference Board of the Mathematical Sciences.

Diana’s recognitions include the Presidential Award for Excellence in Mathematics and Science Teaching, the University of Wisconsin-Madison’s Nemec Distinguished Elementary Education Alumni Award, and the Wisconsin Mathematics Council’s Distinguished Mathematics Educator Award.


Dr. Henry (Hank) Kepner

Hank is Professor Emeritus at the University of Wisconsin-Milwaukee. He is Past President of the National Council of Teachers of Mathematics (NCTM), the National Council of Supervisors of Mathematics (NCSM), the Association of Mathematics Teachers Educators (AMTE), and the Wisconsin Mathematics Council (WMC).  Hank taught middle and high school mathematics for over 10 years in Iowa and Milwaukee, and continues to be involved in professional development with teachers in MPS and numerous districts since 1972.  Hank was a Program Officer at the National Science Foundation for five years and served as Associate Dean for Academic Affairs at UWM.

He was on the NCTM Board during the creation of the 1989 Curriculum and Evaluation Standards for School Mathematics and served as president during the development of the Common State Standards in Mathematics.


Dr. Becky M. Walker

Dr. Becky M. Walker is Director of Learning at Cooperative Educational Service Agency 7 (CESA 7) in Green Bay, Wisconsin. She focuses on learning success for all students, and facilitates professional development through collaboration with teachers, leaders, administrators, students, and communities throughout the CESA 7 region and Wisconsin.  She has a passion for ensuring positive, engaging, challenging, motivating, mathematics learning experiences for all students. Becky completed her doctoral degree through Marian University with dissertation research on how student achievement in mathematics is impacted by building mathematical content knowledge and conceptual understanding with elementary teachers. Becky serves on the Affiliate Services Committee of the National Council of Teachers of Mathematics (NCTM), as regional team leader for National Council of Supervisors of Mathematics (NCSM), as chair of Wisconsin Mathematics Leadership Council (WiMLC), and as a board member for Wisconsin Mathematics Council (WMC). Prior to her CESA 7 Director role, Becky was the Director of Learning for Appleton Area School District, as well as a high school principal.  She taught middle and high school mathematics, computer science, and Spanish prior to becoming an administrator.

"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."

– S. Gudder, Mathematician