Jenn David-Lang has worked in the field of education for over 25 years. Currently she runs The Main Idea – a service to develop the professional knowledge of school leaders by connecting them to the latest and most compelling books in education and leadership. When Jenn is not up to her ears in books, she does a variety of consulting, including workshops to train leaders and teachers as well as school evaluation work. Prior to this, she received her administrative license and Ed.M. from the Bank Street College of Education, she served in a variety of administrative and consulting positions, she helped to start a number of New York City schools, she was an adjunct instructor in education for college and graduate students, and she taught both math and English at the middle and high school levels.