About Rosalind


Roz Hamar, retired Head of School, Valley Montessori School, served from 2011 - 2015. She has been an administrator in Montessori associated schools for the past 24 years; previously as Head of School at Marin Horizon School in Mill Valley, CA (1995-2011). Prior to that, she served as Head of the Upper School at The Barrie School in Silver Springs, MD. She completed a BA in History and Secondary Education and later a Masters in Teaching at Lewis & Clark College, Portland, OR. She also has a Master of Arts degree in International Affairs and Economics from The Johns Hopkins University School of Advanced International Studies (SAIS) in Washington DC. Additionally she has served on the boards of the California Association of Independent Schools, Leaderships High School, San Francisco, Earth Day Every Day Foundation, Marin County, and currently serves as a trustee at The Berkeley School in Berkeley, CA.



Areas of Expertise

Leadership, Project Development, education, curriculum development, Fundraising, Fundraising (non-profit orgs only), Leadership mentoring , Writing, School Finance