Administration & Staff

Responsible and responsive. They are the foundation of our school.

Our administrative team works to support Marin Montessori School from the ground up. From maintenance to admissions and communications to school management, our experienced and friendly staff make school days a pleasure.

Head of School

Sam Shapiro, Head of School

Sam is responsible for ensuring that Marin Montessori flourishes and that we bring our school's mission to life each and every day. Educated on both coasts, Sam received his Bachelor’s degree in Psychology from the UC Santa Cruz, and his Master’s degree in the study of World Religions and secondary education teaching credential from Harvard University. Before coming to Marin Montessori, Sam studied and taught in Sumatra, Indonesia; Canberra, Australia; Cambridge, Massachusetts; and Makawao, Hawaii. He also spent fifteen years at the Athenian School in Danville, California, where he served in a variety of roles, including teacher, dean, and admissions. Sam’s professional interests include mindfulness in education, curriculum design, and the neuroscience of learning. Sam lives in Marin with his wife and two teenage sons. In his free time he enjoys cycling, hiking, and camping, as well as cooking large meals with his family while listening to jazz.
415.924.5388 ext. 117


Jules Layman, Lower School Director

Jules's role is to ensure outstanding AMI Montessori teaching and learning in each toddler and primary class, and to work closely with staff and families to best serve the children in our community. She received her AMI primary training in London, England and taught in Yokohama, Japan and the Bay Area. Jules is passionate about Montessori education and is the proud mother of two sons, who both attended MMS, and is very excited to also be a new grandmother of twins.
415.924.5388 ext. 103

Anna Yarbrough, Junior High Director

In addition to still teaching math classes, Anna's work focuses on supporting students, faculty, and families at the Junior High and ensuring outstanding AMI Montessori teaching and learning at the adolescent level. Anna attended Colby College and graduated with a double major in math and education and completed her M.Ed. in Math Education at Framingham State College. Prior to MMS, Anna served as a math teacher in a middle school in a suburb of Boston, and upon moving to the Bay Area at Leadership Public High School, a charter college preparatory school in Richmond. After having her first son, Anna wanted to join a Montessori community for herself professionally and her family too. In her free time Anna enjoys spending time with her husband, two sons, and daughter on the hills and beaches of Marin, and cheering on New England sports teams.


Leslie Kastner, Director of Admissions

Leslie's work focuses on engaging current and prospective families in an effective and thoughtful enrollment and transition process into MMS. She earned her Bachelor of Arts in Religion and Sociology from Indiana University and her Master's in Social Work focused on Interpersonal Practice from the University of Michigan. Leslie loves helping people find meaningful ways to engage in non-profit organizations and has served as the Director of Admission at three other schools - working with families on both coasts (New York and California) and in the middle of the country (Ohio). Leslie lives in the East Bay with her husband and two children, both of whom are students at Marin Montessori School.
415.924.5388 ext. 104

Kristy Clements, Database Administrator and Registrar
415.924.5388 ext. 119

Business Office

Deborah Snyder, Director of Finance

Deb’s work focuses largely on the financial, health, safety, and regulatory stability of the school, as well as oversight of Human Resources, Internet Technology, and Facilities. Deb received her Master’s in Business Administration from Dominican University. Prior to joining MMS, Deb spent many years working for assorted non-profits across Marin. In her free time, Deb is a passionate gardener. She lives in Novato with her husband, Jim, two cats, and a flock of chickens.
415.924.5388 ext. 105

Colin Xu, Accounting/IT Manager

Colin manages billings and accounts receivable, and ensures that MMS’s technology works well. He has a degree in Accounting and Computing Information System from San Francisco State University, and he is Microsoft MCSE certified. Before working in the accounting profession, Colin spent eight years in technology support and systems maintenance. In his free time, Colin enjoys hiking throughout the Bay Area, as well as bowling, badminton, and swimming.
415.924.5388 ext. 118

Development Office

Rebekah Truemper, Interim Director of Development

Rebekah is overseeing MMS's development activities while the school completes a thoughtful hiring process for the development director position. She comes to us with more than 20 years of experience in nonprofit management, fundraising, and communications for independent schools and educational organizations in the Bay Area. With a MBA from the Haas School of Business at UC Berkeley, Rebekah takes a strategic, systems approach to organizational advancement. In her role here she will focus on implementing fundraising best-practices that match our community's culture, values, and goals. In her free time, she volunteers with local Vallejo organizations to improve her community, gets dirt under her fingernails in her garden, and enjoys hiking, listening to music, and traveling with her family.
415.924.5388 ext. 120

Heather Sammons, Development Associate

Heather’s work focuses on supporting fundraising, community events, and communications efforts. She received her Bachelor’s degree in Retail and Consumer Studies from The University of Arizona. Prior to joining MMS, Heather worked as the Director of Annual Giving for Stanford Athletics. Heather lives in Novato with her husband and daughter, who is a thriving MMS Primary student.
415.924.5388 ext. 331


Fran Corcoran, Director of Operations

Fran’s role is to ensure the efficient, safe, and reliable running of operations at Marin Montessori. Graduating from Cornell University with a Bachelor of Science in Human Ecology and a major in Community Service Education, she went on to complete a year of graduate study in Education as well. Fran taught at the high school level in New Jersey before moving to California with her husband, where they raised their two sons. During those child-rearing years Fran served as a locally elected official for 12 years, volunteered extensively at her children’s schools and her church, and was active in community initiatives. In her role at MMS she is able to mesh a penchant for organization and problem solving with her love of children and education. In her leisure hours she enjoys reading and walking, and cherishes precious time spent with her grandchildren.
415.924.5388 ext. 102

Pamela Randolph, School Secretary
415.924.5388 ext. 0

Kim Cyphers, Junior High Assistant Administrator

Kim manages administrative and behind-the-scenes aspects of the Junior High program to ensure that the Junior High functions smoothly on a daily basis with the overarching goal of enabling and supporting outstanding AMI Montessori learning and teaching. Kim came to us from the horticultural nursery business, where they spent five years working for two prominent East Bay nurseries as both a plant authority and an administrative specialist. Kim holds a BS in Biological Science from Chapman University and spent a semester studying environmental science in South Africa. In addition, Kim holds a Master’s degree in Theological Studies from Pacific School of Religion in Berkeley. Kim enjoys bringing their rich and varied experience, knowledge of environmental science and horticulture, and administrative expertise to the Junior High community. A strong believer in ecological conservation, Kim enjoys reading, traveling, and exploring the numerous botanical gardens and museums in the Bay Area.
415.924.5388 ext. 400


Mark Nichols, Facilities Manager

All facility repairs and improvements are managed by Mark with emphasis on ensuring the staff and students at MMS have a healthy, safe, and clean work and learning environment. He obtained his General Contractor's License in 2006 and is currently working toward a Bachelor's degree in Business at College of Marin. Previously, Mark owned his own construction company and worked in the recycling industry. He lives in El Sobrante with his husband, Francisco, and their rescue Shih Tzu, Elvis.
415.924.5388 ext. 123

Andrew Samuels, Facilities Assistant

Andrew grew up in New Jersey but has lived in the San Francisco Bay Area for over 20 years. He is a U.S. Army veteran and holds a BFA in Fine Arts Printmaking from the Academy of Arts College in San Francisco. After working in the Sign industry for 20 years he has switched gears to take up initially driving for Marin Montessori School, but now has taken up residence in the Facilities Maintenance Department. His primary passions include, but are not limited to taking care of his family, devouring movies, reading books, collecting junk, building stuff, enjoying the arts and eating Pop-Tarts.
415.924.5388 ext. 333

Transportation Department

Carol Finnegan-Pisetsky, Transportation Coordinator

Carol’s position focuses on managing and coordinating transportation needs in order to make MMS accessible to all students. These needs include regular daily shuttle routes as well as planning and coordinating mid-day field trips and extended class trips. Prior to her position here, she was an Early Childhood Educator for 35 years. Carol lives in Sonoma County with her husband, dog, and bird, with her two adult sons living nearby. She is passionate about her long-time volunteer work as a wildlife rehabilitator.

Anthony Byrd, Driver

Anthony has been a part of the MMS Transportation team since 2015. He was raised in San Francisco where he was the sixth child out of eight. Anthony attended Chico State University and majored in English. He has a strong love for basketball and has passed on that passion to his three sons. He loves the 80’s and enjoys being an MMS driver because of all the awesome and incredible kids he gets to interact with.

Matt Godfrey, Driver

Matt has been driving morning and afternoon MMS student shuttles—including the SF route—since 2011. He is a tech-savvy Marin native who works on audio-visual production and computer software development between MMS transportation commitments and enjoying life. In a previous life Matt designed and installed state-of-the-art electronics on world-class yachts. He’s a San Rafael resident.

Gilles LeSage, Driver

Gilles joined the MMS transportation crew in 2013 and drives the northern Marin/Terra Linda route. His background is diverse—he’s been a teacher, a sports car designer, and a home remodeler. Gilles enjoys reading, football, and tinkering with anything mechanical. He keeps our fleet looking great. Gilles lives in Sausalito.

Darcy, Driver

Darcy has three sons who she raised in Santa Monica where she was an active volunteer in her sons’ schools and the community, and recently earned AA and AS degrees from Santa Monica College. Darcy worked as a classroom assistant last school year before moving to Marin County in the summer of 2016 to be near her sons, who all moved to Northern California for college. Driving for MMS was a natural choice for Darcy with her love for children, many years of experience driving her sons’ water polo teams throughout Southern California, and experience in education.

Richard Stirling, Driver

Rich has been driving for MMS since 2015. He was born and raised in San Rafael. Rich earned a degree from California State University, Chico and moved to San Francisco where he worked in sales and customer service in the telecommunications industry. Rich enjoys spending summers in Clearlake boating and fishing, winters in Reno/Tahoe snow skiing, and watching football at the Peppermill Sportsbook.

Pete Hudson, Substitute Driver

Pete has been driving MMS students since May 2012. He and his wife, Anna, are the parents of MMS students Turner and Mac. They live in Sausalito. When Pete isn't juggling the van and driver schedules, he works as an engineering geologist for a San Francisco-based environmental and engineering firm.

Steve Kelly, Substitute Driver

Steve was born in New Jersey and has lived in Marin County since 1964. He enjoys taking long hikes, playing guitar, and baseball.