**John SanGiovanni** is an elementary mathematics supervisor in Howard County, Maryland, where he oversees mathematics curriculum, digital learning, assessment, and professional development. He is the coauthor of the bestselling* Putting the Practices Into Action* and the *Mastering the Basic Math Facts* series. John is an adjunct instructor and coordinator of the Elementary Mathematics Instructional Leader graduate program at McDaniel College, as well as a national consultant for curriculum and professional development. A frequent speaker at national conferences, John also currently serves on the Board of Directors for NCTM.

Follow him on Twitter: @JohnSanGiovanni