THE MARIN SCHOOL - Key Persons


Amory Cariadus

Job Titles:
  • Director of Learning Services

Amy Jonak - Chairman

Job Titles:
  • Chairman of the Board
  • TMS Board Chair
Committees: Finance (chair); Development, Audit, Governance (ex officio). Trustee since 2013 Parent of Sophie Jonak, Class of 2016, Amy spent 20+ years on the East Coast working in editorial development, management, marketing, and production for book publishers and book developers including McGraw-Hill, International Masters, Time Life, Roundtable Press, and her own company, LA Press. Since moving to Marin in 2000, she has spent her time in a variety of volunteer and board positions focused on education. In the San Rafael City Schools, Amy served as PTA president of both Sun Valley School and Davidson Middle School. She also served on the SRCS Superintendent's Parents Council and Roadmap to the Future Committee. In addition to her role as TMS board chair, Amy sits on the executive boards of HeadsUp, the San Rafael Public Education Foundation (past president), and the Marin Chinese Cultural Association. A graduate of a K-12 independent school in Virginia, Amy received her BA from the College of William and Mary. She lives in San Rafael with her partner, Mary Herald.

Andrew Cassetta

Job Titles:
  • Admissions Assistant

Annie Krabenschmidt

Job Titles:
  • English Teacher

Ben Griggs

Job Titles:
  • Head of School

Brad Jackson

Job Titles:
  • Director of College Counseling

Carolyn Sasser

Job Titles:
  • School Operations Specialist

Chanel Nijmeh

Job Titles:
  • Dean of Students

Eli Timm

Job Titles:
  • Learning Strategist

Fred Kral

Job Titles:
  • STEM Teacher

Gustavo Jimenez

Job Titles:
  • Spanish Teacher

Heather Parker

Job Titles:
  • Life Sciences, STEM Dept. Chair / Learn More
Heather Parker joined TMS in 2015 after 10 years of classroom experience teaching math and science at a boarding school, science at a school for homeless children, and as a TA in special education. Heather also taught Professional Development classes for adults that included study skills, computer skills, and resume writing at a vocational school.

Jennifer Bonvecchio

Job Titles:
  • Development Committee
Jennifer is mom to Olivia Kane, a rising sophomore at TMS. She served on the board of St. Hillary's School in Tiburon and is parent of a rising senior at Saint Ignatius High School in San Francisco. With a BA and MBA from Notre Dame, Jen's professional focus has been on asset management and personal financial services. She is Senior VP at Baker Street Advisors, a firm offering investment advice, financial planning, and tax planning.

Josh Cardenas

Job Titles:
  • FabLab, Director of IT / Facilities

Joshua Lincecum

Job Titles:
  • History / SLC Faculty Advisor

Junia Ziblay

Job Titles:
  • Director of Library Sciences

Keith Hubert

Job Titles:
  • Mathematics

Keli Honsberger

Job Titles:
  • Development Coordinator

Kendall Nash

Committees: Audit, Finance. Trustee since 2020 Kendall is the mother Jay Nash, Class of 2022. She's also a pediatric neurologist with UCSF Health, where she is a teacher, researcher, and hospital practitioner. Kendall also oversees UCSF partnerships with pediatric practices throughout the Bay Area. Kendall currently serves as an advisor on TMS's Covid-19 reopening committee. Prior to entering medical school, Kendall studied Finance at Harvard Business School and spent time as an analyst with a venture capital firm.

Leslie Birnbaum

Job Titles:
  • Office Manager
  • Registrar

Maggie McPhail - CFO

Job Titles:
  • Director of Finance and Operations

Monica Fleury

Job Titles:
  • Human Resources Manager

Pavati Zeno

Job Titles:
  • Director of Admissions & Marketing

Richard Gibson

Job Titles:
  • Science & Mathematics
has worked at UC Berkeley as a lecturer and Director of Science Programs for their Student Learning Center for more than twenty years. He has also worked in the school of education, training future teachers in math and science. In addition, Richard has privately tutored high school and college students in chemistry, physics, math, and statistics . He has won numerous awards, including a volunteer of the year award, UC Berkeley's "Everyday Hero" award, and the Nikki Kose Memorial Teaching prize for his innovative curriculum design.

Sarah Thacher

Job Titles:
  • Experiential Learning and Events Coordinator