Public Library of Science

Fiscal year ending 2024. Filed on November 17, 2025.

2112 Chestnut St 310
Alhambra, California 91803

Public Library of Science (EIN: 68-0492065) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, Public Library of Science, a 501(c)(3) charitable organization, reported compensation for 11 out of 236 total employees. Among the employees shown here, the average compensation is $274,389. The highest compensated employee at Public Library of Science is Alison Mudditt with fiscal year 2024 compensation of $543,320.

Revenue, expenses, and employee compensation

Revenue

$41,335,403

Expenses

$36,985,422

Employee compensation

$23,438,680

Reported Compensated Employees

Alison Mudditt

Chief Executive Officer

$543,320

$502,639 No related comp$40,681

Rebekah Darksmith

Chief of Staff and Chief Marketing and Communicati

$349,922

$311,457 No related comp$38,465

Veronique Kiermer

Publisher and EXEC Editor

$340,302

$314,457 No related comp$25,845

Kathryn Motonaga

Chief Financial Officer

$330,113

$298,202 No related comp$31,911

Tom Scott

Chief Digital Officer

$247,930

$203,890 No related comp$44,040

Matthew Valdez

PRIN SW Engineer, Platform and ENG

$231,548

$202,081 No related comp$29,467

Sandra Upegui

GEN Counsel and Corporate Secretary

$229,900

$209,897 No related comp$20,003

James Harney

Senior Manager, Strategic Research

$217,517

$208,987 No related comp$8,530

Jaya Dobbyn

Controller (Thru 04/24)

$213,102

$200,535 No related comp$12,567

Niamh O'Connor

Chief Publishing Officer

$210,524

$204,320 No related comp$6,204

Aaron Dodds

Executive Director Research and Mgmt(Thru 01/2024)

$104,104

$101,384 No related comp$2,720

Benchmark Employee Compensation

Non-Employee Board Members

Fernan Federici

Israel Borokini

Katherine White

Contractors

Apex Covantage LLC

Spi Technologies Inc.

Aries Systems Corporation

Manuscript Submission and Tracking Syste

Editorial Office Ltd.

Clarivate Analytics (US) LLC

Mission Statement

PLEASE SEE SCHEDULE O FOR COMPLETE DESCRIPTION OF THE ORGANIZATION'S MISSION.

Revisions to this organization profile

November 17, 2025:

2024 Public Library of Science 990 filed

November 13, 2024:

2023 Public Library of Science 990 filed

November 14, 2023:

2022 Public Library of Science 990 filed

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