Kristin Gray, a National Board Certified, 21-year veteran teacher of grades 5-8, is currently the Director of K-5 Curriculum and Professional Learning at Illustrative Mathematics (IM). She has served as a writer for the IM 6-8 math curriculum and as a Teaching Channel Laureate. Kristin has developed and facilitated mathematics professional learning at district, state, and national levels and presents annually at the NCSM and NCTM conferences. To reflect on her experiences, she blogs and connects with educators on Twitter, @MathMinds. Kristin has a B.S. in Elementary Education with a concentration in mathematics from the University of Delaware, a M.Ed. in applied technology in education from Wilmington University, and is the 2014 Presidential Awardee for Excellence in Mathematics and Science Teaching.