The author of this article, Montessori 101, is TIM SELDIN, M.Ed. He is the President of The Montessori Foundation and Chair of the International Montessori Council. His almost forty years of experience in Montessori education includes twenty-two years as Headmaster of the Barrie School in Silver Spring, MD, his own alma mater (age two through high school graduation). He has also served as the Director of the Institute for Advanced Montessori Studies and as Head of the New Gate School in Sarasota, Florida. He earned a B.A. in History and Philosophy from Georgetown University, an M.Ed. in Educational Administration and Supervision from The American University, and his Montessori certification from the American Montessori Society. Tim Seldin is the author of several books on Montessori Education, including his latest, How to Raise An Amazing Child; The Montessori Way with Dr. Paul Epstein; Building a World-class Montessori School; Finding the Perfect Match – Recruit and Retain Your Ideal Enrollment; Master Teachers – Model Programs; Starting a New Montessori School, Celebrations of Life, and The World in the Palm of Her Hand. Tim is the father of three former Montessori students (Marc, Michelle, and Caitlin), stepfather to two more former Montessori students (Robin and Chelsea), and the grandfather of two Montessori children, Hollis and Alexander. He lives on a small vineyard north of Sarasota, Florida with his wife, Joyce St. Giermaine, their four horses, twenty dogs, and two hairless Sphinx cats.