Fiscal year ending 2024. Filed on July 30, 2025.
Two Brattle Square
Cambridge, Massachusetts 02138
The Union of Concerned Scientists Inc. (EIN: 04-2535767) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, The Union of Concerned Scientists Inc., a 501(c)(3) charitable organization, reported compensation for 15 out of 250 total employees. Among the employees shown here, the average compensation is $249,242. The highest compensated employee at The Union of Concerned Scientists Inc. is Johanna Chao Kreilick with fiscal year 2024 compensation of $404,305.
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THE UNION OF CONCERNED SCIENTISTS PUTS RIGOROUS, INDEPENDENT SCIENCE INTO ACTION, DEVELOPING SOLUTIONS AND ADVOCATING FOR A HEALTHY, SAFE, AND JUST FUTURE.
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