Margaret (Peg) Smith is a professor emerita at University of Pittsburgh. For the past three decades, she has been developing research-based materials for use in the professional development of mathematics teachers. She has co-authored several books, including 5 Practices for Orchestrating Productive Discussions (with Mary Kay Stein), the middle and high school versions of the Taking Action: Implementing Effective Mathematics Teaching Practices series (with Melissa Boston, Frederick Dillon, Stephen Miller, and Lynn Raith), and The 5 Practices in Practice: Successfully Orchestrating Mathematics Discussion in Your Classroom series (with Victoria Bill, Miriam Sherin, and Michael Steele). In 2006, she received the Chancellor’s Distinguished Teaching Award given annually to honor outstanding faculty at the University of Pittsburgh. In 2009, she received the award for Excellence in Teaching in Mathematics Teacher Education from the Association of Mathematics Teacher Educators (AMTE). In April 2019, she received the Lifetime Achievement Award from NCTM.  Her latest book, Coaching the 5 Practices: Supporting Mathematics Teachers in Orchestrating Productive Discussions, was co-authored with Bilge Yurekli and Mary Kay Stein.