Our People

Meet the People Who Make the Magic

Lower School Faculty
Upper School Faculty
Administration & Staff
Extended Day
Board

Lower School Faculty

Ke Williams

Ke Williams

Kindergarten Head Teacher

Elizabeth Rivera

Second Grade Assistant Teacher

Chelsea Feldman

Chelsea Feldman

First Grade Head Teacher, Kindergarten and First Grade Garden Teacher

Grace Reinhalter

Grace Reinhalter

Kindergarten Assistant Teacher

Romina Ronquillo

Romina Ronquillo

Second Grade Head Teacher, Lower School Assistant Teacher Coordinator

Jamie Xayachack

Third Grade Assistant Teacher

Tess Leverenz

Tess Leverenz

Third Grade Head Teacher

Ana Sellers

Ana Sellers

First Grade Assistant Teacher

Sandy Brumbaum

Sandy Brumbaum

Fifth Grade Head Teacher

Lessley Bender

Lessley Bender

Fourth Grade Assistant Teacher

Rem Djemilev

BPC String Orchestra Leader

Rachel Durling

Rachel Durling

First-Third Grade Violin Teacher

Michael Feferman

Lower School Physical Education Teacher

Aïda Garcia-Pons

Lower School Spanish Teacher

headshot placeholder

Lesedi Graceline

Fifth Grade Assistant Teacher

headshot placeholder

Priscilla Kim

Fifth Grade Head Teacher

Kim Livingston

Lower School Art Teacher

Nicole Lockwood

Kindergarten-Fifth Grade Science and Second-Fifth Grade Garden Teacher

Owen Roberts

Kindergarten-Third Grade Music Teacher

Cheryl Sumsion

Fourth-Sixth Grade Music Teacher

headshot placeholder

Grace Williams

Fourth Grade Head Teacher

Upper School Faculty

Torin Coffino

Torin Coffino

Sixth Grade History Teacher

Gerry Branner

Upper School Physical Education Teacher and Upper School Athletic Director

Jonathan Cohen

Jonathan Cohen

Eighth Grade Science Teacher

Rem Djemilev

BPC String Orchestra Leader

Sage Ellenwood

Seventh Grade Science Teacher

Zina Gulimovskaya

Zina Gulimovskaya

Seventh Grade Math Assistant, Math Team Coach

Anatoliy Gulimovskiy

Anatoliy Gulimovskiy

Seventh Grade Math Teacher, Math Club / Math Team Coach

Maggie Hardy

Maggie Hardy

Seventh Grade History Teacher

Kathy Henderson

Kathy Henderson

Sixth & Seventh Grade Math Teacher

Melissa Jiménez

Melissa Jiménez

Upper School Art Teacher

Jerry Kennedy

Jerry Kennedy

Seventh and Eighth Grade Music Teacher, Band Director

Aly Mitchell

Alyson Mitchell

Eighth Grade History & Geography Teacher

Maria Palmer

Sixth Grade English Teacher

Stephanie Piper

Stephanie Piper

Seventh Grade English Teacher

Carla Rodea

Carla Rodea

Eighth Grade Spanish Teacher

Sarah Roggero

Sixth and Seventh Grade Spanish Teacher

Carwai Seto

Eighth Grade Math Teacher

Cheryl Sumsion

Fourth-Sixth Grade Music Teacher

Nataliya Vdovychenko

Nataliya Vdovychenko

Upper School Assistant Teacher

Xiaoyan Xu

Upper School Mandarin Teacher

Administration and Staff

DeAndre Calhoun

Interim Head of School '24-'25

Tanveer Alibhai

Head of Lower School

Andra Marziano

Andra Marziano

Interim Head of Upper School

Vera Balarin

Lower School Math Specialist

Barbara Bañez

Assistant Director - Extended Day Program, Lower School Office Assistant

Susana Barajas

Susana Barajas

Admissions & Advancement Associate

Mulan Bartholomew

Mulan Bartholomew

Database Administrator and Registrar

Sam Cantrell

Sam Cantrell

Director of Extended Day Programs

Betsy Cory

Betsy Cory

Director of Lower School Student Support Services and Lower School Counselor

Sonam Gonsar

Sonam Gonsar

Upper School Office Manager

Michael Gutierrez

Michael Gutiérrez

Upper School Academic Support Specialist and Seventh Grade Drama Teacher

Lesley Jones

Director of Communications

Lina Kim

Lina Kim

Executive Assistant to the Head of School & Project Manager

Sasha Levine

Upper School Counselor

Jen Levy

Lower School Learning Specialist

Kathleen McNulty

Lower School Librarian

headshot placeholder

Diana Mitchell

Chief Financial Officer

Lucy Morris

Lucy Morris

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

John Ormsby

John Ormsby

Director of Development

Andrew Solter

Andrew Solter

Upper School Mathematics and Learning Specialist

Michael Stokes

Michael Stokes

Upper School Director of Student Learning Services

madalyn wang

Madalyn Wang

Business Office Coordinator

Greta Wong

Greta B. Wong

Director of Admissions and Enrollment

Extended Day Team

River Allen

River Allen

Extended Day Program Teacher

Barbara Bañez

Assistant Director - Extended Day Program, Lower School Office Assistant

Sam Cantrell

Sam Cantrell

Director of Extended Day Programs

Jono Rich

Jonothon Rich

Extended Day Program Teacher

Katherine-Smart

Katie Smart

Extended Day Program Teacher

Board of Directors

Lukasz Strozek – Board Chair

Chief Technology Officer at LendingClub

Full Bio

Max Christoff – Vice Chair

Senior Director of Engineering, Chrome Browser (Google)

Full Bio

Alper Atamturk

Earl J. Isaac Chair, Science & Analysis of Decision Making, Prof. & Dept Chair, Industrial Engineering & Operations Research, UC Berkeley

Full Bio

Nirav Bisarya

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

Full Bio

Mirna Cervantes

Executive Director, The Multicultural Institute (MI)

Full Bio

Shruti M. Deorah

Executive Director of the India Energy & Climate Center (IECC) at the Goldman School of Public Policy, UC Berkeley & Affiliate at Lawre

Full Bio

Dave Hoverman

Senior Partner at Bain & Company

Full Bio

Katy Isa (Hakimian)

Criminal Defense Attorney, Law Office of Katherine Isa

Full Bio

Seema Jain

Medical Epidemiologist, CA Dept of Public Health

Full Bio

Sonia Katyal

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

Full Bio

Polly Lockman

Communications Director at The College Preparatory School

Full Bio

Christine Ma

Prof. of Pediatrics, UCSF, Medical Dir. for Encore Medical Clinic, UCSF Benioff Children’s Hospital Oakland, and Kerry's Kids

Full Bio

Simon Morfit

Independent Consultant - Social Impact

Full Bio

Sabine O’Sullivan

Associate Producer, Pixar Animation Studio

Full Bio

Scott Phoenix

Partner, Fifty Years

Full Bio

Tony Wicks

Managing Director, Sovereign Consulting Services

Full Bio

Karen Zukor – Board Secretary

Statistics Consultant, World Health Organization

Full Bio