Our People

Meet the People Who Make the Magic

Lower School Faculty

Ke Williams

Kindergarten Head Teacher

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Grace Reinhalter

Kindergarten Assistant Teacher

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Chelsea Feldman

First Grade Head Teacher, Kindergarten and First Grade Garden Teacher

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Ana Sellers

First Grade Assistant Teacher

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Romina Ronquillo

Second Grade Head Teacher and Lower School Assistant Teacher Coordinator

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Elizabeth Rivera Guzman

Second Grade Assistant Teacher

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Tess Leverenz

Third Grade Head Teacher

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Kara Kersey

Third Grade Assistant Teacher

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Grace Williams

Fourth Grade Head Teacher

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Lessley Bender

Fourth Grade Assistant Teacher

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Carlee Jensen

Fifth Grade Head Teacher

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Priscilla Kim

Fifth Grade Head Teacher

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Javi Quezada

Fifth Grade Assistant Teacher

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Rem Djemilev

BPC String Orchestra Leader

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Rachel Durling

First-Third Grade Violin Teacher

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Hande Erdem

First-Third Grade Cello Teacher

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Michael Feferman

Lower School Physical Education Teacher

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Aïda Garcia-Pons

Lower School Spanish Teacher

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Kim Livingston

Lower School Art Teacher

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Nicole Lockwood

Lower School Science and Second – Fifth Grade Garden Teacher

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Owen Roberts

Kindergarten-Third Grade Music Teacher

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Cheryl Sumsion

Fourth-Sixth Grade Music Teacher

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Upper School Faculty

Gerry Branner

Upper School Physical Education Teacher, Upper School Athletic Director, and Dean of Upper School Student Citizenship

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Torin Coffino

Sixth Grade History Teacher

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Jonathan Cohen

Eighth Grade Science Teacher

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Rem Djemilev

BPC String Orchestra Leader

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Sage Ellenwood

Seventh Grade Science Teacher

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Maggie Hardy

Seventh Grade History Teacher

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Kathy Henderson

Seventh Grade Math Teacher

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Nitya Jain

Sixth Grade Science Teacher

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Melissa Jiménez

Upper School Art Teacher

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Jerry Kennedy

Seventh and Eighth Grade Music Teacher, Band Director

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Nat Lewis

Sixth Grade Math Teacher

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Rinat Manhoff

Eighth Grade English Teacher

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Alyson Mitchell

Eighth Grade History & Geography Teacher

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Maria Palmer

Sixth Grade English Teacher

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Stephanie Piper

Seventh Grade English Teacher

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Carla Rodea

Seventh and Eighth Grade Spanish Teacher

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Sarah Roggero

Sixth and Seventh Grade Spanish Teacher

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Carwai Seto

Eighth Grade Math Teacher and Dean of Upper School Curriculum and Instruction

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Cheryl Sumsion

Fourth-Sixth Grade Music Teacher

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Nataliya Vdovychenko

Upper School Assistant

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Xiaoyan Xu

Upper School Mandarin Teacher

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Administration and Staff

Jase Turner

Head of School

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Andra Marziano

Head of Upper School

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Diana Mitchell

Chief Financial Officer

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Barbara Bañez

Assistant Director - Extended Day Program, Lower School Office Assistant

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Mulan Bartholomew

Database Administrator and Registrar

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Sam Cantrell

Director of Extended Day Programs

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Betsy Cory

Director of Counseling

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Sonam Gonsar

Upper School Office Manager

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Lesley Jones

Director of Communications and Marketing

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David Lee

Director of Technology

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Jen Levy

Lower School Learning Specialist

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Kathleen McNulty

Lower School Librarian

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Lucy Morris

Administrative Assistant to the Head of Lower School and Lower School Office Manager

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Kelly Mullen

Executive Assistant to the Head of School & Project Manager

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John Ormsby

Director of Development

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Andrew Solter

Upper School Mathematics Specialist

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Michael Stokes

Director of Upper School Student Learning Services and Dean of Upper School Student Academic Life

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Madalyn Wang

Business Office Coordinator

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Greta B. Wong

Director of Enrollment and Admissions

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Extended Day Team

Barbara Bañez

Assistant Director - Extended Day Program, Lower School Office Assistant

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Sam Cantrell

Director of Extended Day Programs

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Ava Donleavy

Extended Day Program Teacher

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Jonothon Rich

Extended Day Program Teacher

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Katie Smart

Extended Day Program Teacher

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Board of Directors

Lukasz Strozek – Board Chair

Chief Technology Officer at LendingClub
Max Christoff – Vice Chair

Chief Technology Officer, Everlaw
Nirav Bisarya

Managing Partner at Gen3 Ventures & Co-Founder of Coral EV
Gary Borden

Partner, The City Fund
Mirna Cervantes

Executive Director, The Multicultural Institute (MI)
Shruti M. Deorah

Executive Director, India Energy & Climate Center, UC Berkeley
Jeremy Gailor

Founder & CEO, Kalitera
Dave Hoverman

Senior Partner at Bain & Company
Seema Jain

Deputy Health Officer, San Francisco Dept of Public Health
Sonia Katyal

Professor and Distinguished Traynor Chair at University of California, Berkeley School of Law
Matt Langley

Founder, Jubilee Transmission
Polly Lockman

Communications Director at The College Preparatory School
Christine Ma

Prof. of Pediatrics, UCSF, Medical Dir. for Encore Medical Clinic, UCSF Benioff Children’s Hospital Oakland
Sabine O’Sullivan

Associate Producer, Pixar Animation Studio
Scott Phoenix

Partner, Fifty Years
Vivek Shah

Founder & CEO, SimplyInsured
Meaghan Thomas-Kennedy
Patrice Wakeley

Director of Institutional Equity & Belonging, San Francisco Friends School
Tony Wicks

Managing Director, Sovereign Consulting Services
Caitrin Wright

CEO, Silicon Schools Fund
Karen Zukor – Board Secretary

Statistics Consultant, World Health Organization