David Kahn has served as a director for various non-profit Montessori management organisations over the last 40 years. He has 17 years of Montessori teaching experience, 12 of them as teaching principal at Ruffing Montessori School. David was founding director of the Hershey Montessori School’s Adolescent Community, an internationally acclaimed Montessori farm school model for adolescent education. He also serves as founding director emeritus of Montessori High School at University Circle, Cleveland, Ohio, which has quickly emerged as another program exemplar. David developed the summer training institute, The AMI Montessori Orientation to Adolescent Studies, to guide and develop teachers who work with students ages 12-18. David holds a BA in fine arts and classics from the University of Notre Dame as well as the AMI Montessori elementary diploma from Bergamo, Italy. He has utilised his film and writing skills to create the largest global Montessori media organisation that documents Montessori innovation and implementation in both the public and private sectors through video and publications. He has created two major museum exhibits that have accented the social and ecological directions of the Montessori movement. Currently, he is assisting with the start-up of a land-based Montessori charter school that will serve the urban poor in Cleveland, Ohio.