JEN MUNSON is a postdoctoral fellow in learning sciences at Northwestern University, a professional developer, and former classroom teacher. She received her PhD from Stanford University. Her research focuses on how coaching can support teachers in growing their mathematics instructional practices, particularly in the elementary grades, and how teacher-student interactions influence equitable math learning. She is the co-author, with Jo Boaler and Cathy Williams, of the Mindset Mathematics series. As a professional developer and coach, her work focuses on growing teachers’ and leaders’ capacity to craft rich, responsive, and equitable mathematics classrooms. Before leaving the classroom to coach, she taught elementary and middle school in Washington, D.C., Chicago, and the Seattle area.