MDP Leadership


Debra Hershey Guren, President and Treasurer

Since 1990, President and CEO of The Hershey Foundation Debbie Guren has worked with over 220 organizations to fulfill the mission of The Hershey Foundation to benefit children in NE Ohio.  As an avid supporter of Montessori, Debbie has provided leadership for Montessori Development Partnerships since 1990 and Hershey Montessori School since 1984.  Debbie sits on the board of directors for Holden Forests and Gardens and the Martha Holden Jennings Foundation.  She served on the Hawken School board for 13 years.  Debbie is the visionary behind Stonebrook Montessori, a public charter school serving urban children in Cleveland.



Julia Brown, Vice President

Julie Brown has been a Montessori educator for over 30 years. Her work with MDP was to serve as the Director of Institutional Advancement at Stonebrook Montessori, a Montessori charter school in Cleveland.  Prior to joining MDP, Julie was the Head of School at Hudson Montessori School in Hudson (OH) for sixteen years. She holds an A.M.I. Elementary Diploma from the Washington (D.C) Montessori Institute, an M.Ed in Curriculum and Instruction, and participated in Stanford University’s Leadership Program for School Leaders. Recently, she completed her Executive Coaching Certification from Weatherhead School of Management (OH). Julie has taught first through sixth grade, has trained elementary teachers at the Toronto Montessori Institute, has served on numerous advisory boards, as an educational consultant and Presenter at conferences and workshops.  Most recently, Julie worked with Higher Ground Education as a Program Support Mentor.


Jacquie Maughan, Secretary


A member of the AMI Stewarding Council in the United States for the past two years and the Montessori Leaders Collaborative, Jacquie has just received funding from the Walton Family Foundation for the development of Montessori Birth-to-Six Family Community Centers in at-risk and underserved communities. Jacquie received her AMI primary diploma in Palo Alto, has taught at both the primary and adolescent levels, and has founded two schools, Woodland Montessori School in Spokane, Washington, and Pacific Crest in Seattle. Jacquie has served on the NAMTA Board since 1986 and has been President since 2000. She attended the 2011 Dallas EsF Assembly and has since been part of the EsF organizing committee.


David Kahn, Executive Director Emeritus

David Kahn has been Executive Director of the North American Montessori Teachers’ Association for more than forty years. He has seventeen years of Montessori teaching experience, twelve of them as teaching principal at Ruffing Montessori School (Cleveland Heights, OH). David was founding director of the Hershey Montessori School adolescent program on the farm in Huntsburg, Ohio, an internationally acclaimed Montessori model for adolescent education. He serves as founding director emeritus of Montessori High School at University Circle in Cleveland. Additionally, he consults with schools throughout North America that are beginning Montessori farm schools or high schools. David developed the summer institute, A Montessori Orientation to Adolescent Studies, to help teachers specializing in the work with students ages 12-18. David stepped down as Executive Director for Montessori Development Partnerships in 2017.

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