Board of Directors

  • Brian Baron
    Department Chair of English, Newton South High School

    Mary Ann Cappiello, Ed.D.
    Mary Cappiello is Associate Professor of the Language & Literacy Division
 at Lesley University's Graduate School of Education
. She is the Chair of the Orbis Pictus Award for Outstanding Nonfiction K-8 which can be found at and a blogger at:  and  

    Heather Haines
    Department Chair of Science, Newton North High School

    Robyn Marder
    NTR Supervising Practitioner in English

    Robyn Marder earned a B.A. in English and Textual Studies from Syracuse University and an M.A. in English and Graduate Certificate in Women’s Studies from the University of Virginia. She completed her teaching certification at Bridgewater State College, where she also taught a developmental writing course to freshmen. She has been teaching high school English at Newton South High School for her entire thirteen-year career, and has had the privilege to teach every grade and every grade-level at South. 

    Marianne McChesney
    NTR Supervising Practitioner in Chemistry

    Marianne McChesney has taught Chemistry and Physical Science at Newton South High School. She has a BA in chemistry from Duke University and a Masters of Arts in Teaching from the University of North Carolina at Chapel Hill. In 2013 she was awarded Newton South High School's Ann Elliott-Holmes Excellence in Teaching Award.

    Joel Stembridge
    Principal, Newton South High School
    Joel Stembridge began his career teaching Mathematics and theater in Salem, Oregon where he taught and coached for four years. Upon moving to Cape Cod, he taught Mathematics and History for two years at Barnstable Middle School in Hyannis followed by a one-year administrative internship at Brookline High School. His administrative experience prior to arriving at Newton South include 4 years as Assistant Principal of Scituate High School in Scituate, Massachusetts, and five years as Headmaster of the John D. O'Bryant School of Mathematics and Science in Boston. Joel earned an AB from the University of Chicago, an MAT from Willamette University, and completed his administrative training at Boston University.

    Henry Turner
    Principal, Newton North High School
    Henry Turner taught history and social studies at Mohawk Trail Regional High School and Lexington High School. He then spent four years as dean of Goldrick House at Newton South High School and four years as principal of Bedford High School. Dr. Turner has a Bachelor of Arts Degree in History from the University of Massachusetts at Amherst, an MEd in History from Framingham State University and an EdD in Educational Leadership from Boston College. His dissertation focused on the role of distributed leadership in gaining acceptance of large scale technology issues. 
    Peter Turner
    NTR Acting Program Director
    Peter Turner has taught at Newton North since 2011, where he has taught all levels of U.S. and World history. Prior to that, he taught for several years in the New York City Public Schools. He earned a B.S. in Foreign Service from Georgetown University, and a Masters in Teaching Social Studies from Columbia University.