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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 45-3085009

CHALEARN

Tax-exempt · SAN FRANCISCO, CA 94115

Financials

$192K$163K2024$180K$97K2025
Revenue Expenses · by fiscal year end
Financials of CHALEARN by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$180,485$97,181$83,304$196,035$0$196,035
December 31, 2024990-EZ$192,000$163,408$28,592$112,731$0$112,731
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$180,485
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$14,484
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fees and payments to contractors
$69,841
Other expenses
$12,856
Program services (functional)
$82,646

Balance sheet and other

Total assets, start of year
$112,731
Total assets, end of year
$196,035
Total liabilities, end of year
$0
Net assets, end of year
$196,035
Cash, savings and investments
$196,035
Gross receipts
$180,485

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Kristin BennettTreasurer, Director1$0
Anne-Catherine LetournelSecretary, Director0.5$0
Sergio EscaleraVice-president, Director0.5$0
Isabelle GuyonPresident2$0
Hugo-Jair Escalante BalderasDirector0.5$0
Antoine MarotDirector0.5$0
Magali RichardDirector0.5$0
David RousseauDirector0.5$0
Sebastien TreguerDirector0.5$0
Evelyne ViegasDirector0.5$0
990-EZ for the year ended December 31, 2024: 10 people
NameTitleHours / weekCompensation
Kristin BennettTreasurer, Director1$0
Anne-Catherine LetournelSecretary, Director0.5$0
Sergio EscaleraVice-president, Director0.5$0
Isabelle GuyonPresident2$0
Hugo-Jair Escalante BalderasDirector0.5$0
Antoine MarotDirector0.5$0
Magali RichardDirector0.5$0
David RousseauDirector0.5$0
Sebastien TreguerDirector0.5$0
Evelyne ViegasDirector0.5$0

Address and contacts

Address (IRS master file)
2443 FILLMORE ST PMB 380-6329, SAN FRANCISCO, CA 94115-1814
In care of
% ISABELLE M GUYON
Signed the 990-EZ
Isabelle Guyon, President
Phone
(510) 329-2527

Mission

Educate the public with scientific competitions and related events

990-EZ for the year ended December 31, 2025

Program accomplishments

  • FAIR UNIVERSE: This is a program in collaboration with Lawrence Berkeley Labs: https://fair-universe.lbl.gov/. The collaboration is building a large-compute-scale AI platform for the hosting of large scientific datasets, models, and machine learning competitions to drive forward discoveries in high energy physics and cosmology. The initial focus is on discovering and minimizing systematic uncertainties in High Energy Physics through a sequence of challenges that will bring together researchers across physics and machine learning. ChaLearn sponsors a PhD student and a freelance engineer. The expenses this include the salary of the PhD student (via a donation made to Université Paris-Saclay), and prizes and travel awards given to challenge participants and organizers.
    Expenses $65,330 · grants $9,969
  • LAP PROGRAM: The Looking at People (LAP) challenge series in computer vision is organized in collaboration with Universitat Barcelona https://chalearnlap.cvc.uab.cat/. This year we sponsored the Face anti-spoofing, ICCV 2025 https://sites.google.com/view/face-anti-spoofing-challenge/welcome. We also supported the creation and annotations of a new dataset for diadic interactions (work in progress).
    Expenses $5,371 · grants $4,515
  • PAPER REVIEW: This is a program on automated reviews of scientific papers. This year we worked on a paper to help verify that camera-ready papers include corrections agreed upon between authors and reviewers (work in progress). We supported the internships of students.
    Expenses $5,779
  • CODALAB COMPETITIONS: This program sponsors the development of competition platforms. This year, we rolled out the new benchmark platform codabench.org, in replacement for Codalab. Together Codalab and Codabench hold a strong position compared to Kaggle and Tianchi: https://mlcontests.com/state-of-competitive-machine-learning-2025. The code is open-sourced: https://github.com/codalab/codalab-competitions/issues. We are editing a book on challenges and benchmarks: https://sites.google.com/chalearn.org/book/home. We supported the editing work.
    Expenses $6,166

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-EZ for CHALEARN

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
45-3085009
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2013
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B90)
Assets (IRS master file)
$196,035
Income (IRS master file)
$180,485

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025–––IRS
990-EZDecember 2024–––IRS
990-EZDecember 2023$189,000$182,352$84,139IRS
990-EZDecember 2022–––IRS
990December 2021–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS.

Questions about CHALEARN

What is the EIN of CHALEARN?
The employer identification number (EIN) of CHALEARN is 45-3085009.
Is CHALEARN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to CHALEARN tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CHALEARN file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of CHALEARN due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CHALEARN last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of CHALEARN?
The 990-EZ for the year ended December 31, 2025 lists 10 people; 0 received compensation from the organization.
How much revenue does CHALEARN have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $180,485, expenses of $97,181 and total assets of $196,035 at year end.

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