Education
Proof School
SAN FRANCISCO, CA
Total revenue
$6.7M
Total expenses
$5.9M
Net assets
$6.0M
Grants received
$2.4M
40 grants
EIN
463770194
Tax year
2023
Mission
Offering a liberal arts education for kids who love math, reasoning and communication.
Financials
FY 2023
Revenue
Expenses
People
14 listed
SAMUEL VANDERVELDE
HEAD OF SCHOOL
$251K
40 hrs/wk
SUSAN ATHEY
BOARD OF DIRECTORS
—
0.5 hrs/wk
LISA PARK
BOARD OF DIRECTORS
—
0.5 hrs/wk
RAVI VAKIL
BOARD OF DIRECTORS
—
0.5 hrs/wk
JAMES SOTIROS
BOARD OF DIRECTORS
—
0.5 hrs/wk
ALON AMIT
SECRETARY
—
0.5 hrs/wk
PERRY TAM
TREASURER
—
0.5 hrs/wk
PAUL ZEITZ
BOARD CHAIR
—
2 hrs/wk
KATHY LIN
DIRECTOR OF ADMISSIONS
$234K
40 hrs/wk
ZACHARY SIFUENTES
DEAN OF HUMANITIES
$223K
40 hrs/wk
JASON HOROWITZ
MATH & SCIENCE TEACHER
$115K
40 hrs/wk
SUSAN DURST
MATH & MUSIC TEACHER
$112K
40 hrs/wk
CONNIE YOU
LITERATURE TEACHER
$100K
40 hrs/wk
ILYSE GORDIS
LANGUAGE ARTS & HISTORY TEACHER
$100K
40 hrs/wk
Grants received
Showing 40 of 40
Funded by
$2.4M from 11 funders · 40 grants · 2017–2024
$575K · 4 grants · 2019–2023
$504K · 8 grants · 2017–2023
$401K · 4 grants · 2020–2023
$323K · 7 grants · 2017–2023
$317K · 6 grants · 2019–2024
$200K · 2 grants · 2021–2023
$30K · 3 grants · 2022–2024
$20K · 2 grants · 2022–2023