Authors

Edward B. Burger, Ph.D.,  is the President of Southwestern University, a former Francis Christopher Oakley Third Century Professor of Mathematics at Williams College and a former vice provost at Baylor University. He has authored or coauthored more than sixty-five articles, books, and video series; delivered over five hundred addresses and workshops throughout the world; and made more than fifty radio and television appearances. He is a Fellow of the American Mathematical Society as well as having earned many national honors, including the Robert Foster Cherry Award for Great Teaching in 2010. In 2012, Microsoft Education named him a “Global Hero in Education.”

Juli K. Dixon, Ph.D.,  is a Professor of Mathematics Education at the University of Central Florida. She has taught mathematics in urban schools at the elementary, middle, secondary, and post-secondary levels. She is an active researcher and speaker with numerous publications and conference presentations. Key areas of focus are deepening teachers’ content knowledge and communicating and justifying mathematical ideas. She is a past chair of the NCTM Student Explorations in Mathematics Editorial Panel and member of the Board of Directors for the Association of Mathematics Teacher Educators.

Timothy D. Kanold, Ph.D.,  is an award-winning international educator, author, and consultant. He is a former superintendent and director of mathematics and science at Adlai E. Stevenson High School District 125 in Lincolnshire, Illinois. He is a past president of the National Council of Supervisors of Mathematics (NCSM) and the Council for the Presidential Awardees of Mathematics (CPAM). He has served on several writing and leadership commissions for NCTM during the past decade. He presents motivational professional development seminars with a focus on developing professional learning communities (PLC’s) to improve the teaching, assessing, and learning of students. He has recently authored nationally recognized articles, books, and textbooks for mathematics education and school leadership, including  What Every Principal Needs to Know about the Teaching and Learning of Mathematics.

Matthew R. Larson, Ph.D.,  is the K-12 mathematics curriculum specialist for the Lincoln Public Schools and served on the Board of Directors for the National Council of Teachers of Mathematics from 2010-2013. He is a past chair of NCTM's Research Committee and was a member of NCTM's Task Force on Linking Research and Practice. He is the author of several books on implementing the Common Core Standards for Mathematics. He has taught mathematics at the secondary and college levels and held an appointment as an honorary visiting associate professor at Teachers College, Columbia University.

Steven J. Leinwand  is a Principal Research Analyst at the American Institutes for Research (AIR) in Washington, D.C., and has over 30 years in leadership positions in mathematics education. He is past president of the National Council of Supervisors of Mathematics and served on the NCTM Board of Directors. He is the author of numerous articles, books, and textbooks and has made countless presentations with topics including student achievement, reasoning, effective assessment, and successful implementation of standards.

Martha E. Sandoval-Martinez is a mathematics instructor at El Camino College in Torrance, California. She was previously a Math Specialist at the University of California at Davis and former instructor at Santa Ana College, Marymount College, and California State University, Long Beach. In her current and former positions, she has worked extensively to improve fundamental pre-algebra and algebra skills in students who have historically struggled with mathematics.

© Houghton Mifflin Harcourt Publishing Company • Image Credits: (Timothy D. Kanold) Photo courtesy of Tim Kanold; (Juli K. Dixon) Photo courtesy of Juli Dixon; (Martha E. Sandoval) Carlos Delgado/AP Images for HMH