William (Biff) Maier is Director of Faculty and Curriculum Development at Lexington Montessori School in Massachusetts. For many years he served as elementary curriculum coordinator at the Center for Montessori Teacher Education/NY, and he now co-directs the Montessori Elementary Teacher Training Collaborative (METTC) in Lexington, MA. Biff also works with the Center for Advanced Montessori Studies in Vancouver, B.C. and the International Montessori Education Institute in Taiwan.
Involved with Montessori since 1974, Mr. Maier is a seminar presenter and consultant. For the American Montessori Society, he serves as mentor to Emerging Leader Fellows and co-leader of Instructors Academy. As former Chair of the AMS Teachers’ Section, he served on the AMS National Board of Directors. He earned his B.A. in psychology from Duke University and his M.Ed. from Xavier University, where he also received his AMS Early Childhood and Elementary 6-9 credentials. He also earned an AMI 6-12 credential from the International Center for Advanced Montessori Studies in Bergamo, Italy.
In 2021 Biff was the recipient of the American Montessori Society Living Legacy Award.
Mr. Maier is married to a psychiatrist who practices privately in Arlington, Massachusetts, and they have two adult children who are Montessori graduates. Ida is a linguist and novelist living in Paris. Ted is in law school.
