Susan O’Connell is the coauthor of Putting the Practices Into Action, Mastering the Basic Math Facts in Addition and Subtraction, and Mastering the Basic Math Facts in Multiplication and Division.  She served as editor of Heinemann’s popular Math Process Standards series and was the author of its Introduction to Problem Solving and Introduction to Communication books. Sue also wrote the bestselling Now I Get It (Heinemann 2005). Sue O'Connell has years of experience as a classroom teacher, instructional specialist, district school improvement specialist, and university PDS coordinator. She is a nationally known speaker and education consultant, providing math professional development for schools and districts across the country.

John SanGiovanni is a mathematics supervisor for the Howard County Public School System in Maryland. He is an adjunct instructor and frequent speaker at both regional and national conferences.