Steve Leinwand has over 30 years of leadership positions in mathematics education. He is currently a Principal Research Analyst at the American Institutes for Research (AIR) in Washington, D.C. Before joining AIR in 2002, he spent 22 years as a Mathematics Consultant with the Connecticut Department of Education. In addition, Steve has served on the Mathematical Sciences Education Board, as president of the National Council of Supervisors of Mathematics, and on the NCTM Board of Directors. Steve is also an author of several mathematics textbooks. He has written numerous articles and his books, Sensible Mathematics: A Guide for School Leaders and Accessible Math: 10 Instructional Shifts that Raise Student Achievement were published by Heinemann in 2000 and 2009 respectively.