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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Organizations Education Pioneer Institute Inc.

Pioneer Institute Inc.

Fiscal year ending 2024. Filed on December 3, 2025.

185 Devonshire St 1101
Boston, Massachusetts 02110

Pioneer Institute Inc. (EIN: 22-2632081) has filed an IRS Form 990 since fiscal year 2020. In its fiscal year 2024 IRS Form 990 filing, Pioneer Institute Inc., a 501(c)(3) charitable organization, reported compensation for 7 out of 19 total employees. Among the employees shown here, the average compensation is $278,903. The highest compensated employee at Pioneer Institute Inc. is James Stergios with fiscal year 2024 compensation of $420,784.

Revenue, expenses, and employee compensation

Revenue

$5,946,434

Expenses

$4,694,380

Employee compensation

$2,818,658
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

James Stergios
Executive Director
$420,784
$386,366 No related comp$34,418
Andrew Horgan
Chief Development Officer
$346,567
$301,154 No related comp$45,413
Mary Z Conaughton
Coo/Clerk
$288,014
$247,358 No related comp$40,656
William Smith
Director LIFE Sciences
$246,438
$202,003 No related comp$44,435
Jamie Gass
Director of Pioneereducation
$215,614
$177,798 No related comp$37,816
Frank Bailey
President of Pioneerlegal
$156,000
$150,000 No related comp$6,000
Jim Joslin
Treasurer
$0

Benchmark Employee Compensation

Non-Employee Board Members

Adam Portnoy
Chair and Director
Andrew Davis
Director
Brackett Denniston
Director
Brian Broderick
Director
Brian Shortsleeve
Director
C Bruce Johnstone
Vice Chair
Charles Hewitt III
Director
Chris Dibonaventura
Director
Drew Davis
Director
Ed Glaeser
Director
Ellen Roy Herzfelder
Director
Frederick Clifford
Director

Contractors

Sean Wong
IT Consultant
$126,403

Mission Statement

PIONEER INSTITUTE DEVELOPS AND COMMUNICATES DYNAMIC IDEAS THAT ADVANCE PROPSERITY AND CIVIC LIFE IN MASSACHUSETTS AND BEYOND. PIONEER BELIEVES THAT AMERICA EXCELS WHEN ITS CITIZENS ARE WELL-EDUCATED, COMMITTED TO LIBERTY, PERSONAL RESPONSIBILITY & FREE ENTERPRISE.

Revisions to this organization profile

December 3, 2025:
Amended (originally filed August 6, 2025)2024 Pioneer Institute Inc. 990 filed
October 30, 2025:
Amended (originally filed July 30, 2024)2023 Pioneer Institute Inc. 990 filed
August 10, 2023:
2022 Pioneer Institute Inc. 990 filed

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