- Revenue 2025
- $417,744
- Expenses 2025
- $520,897
Program services were 71.5% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.
As filed
- Subsection
- 03
- NTEE code
- U33C
- Classification
- 2000
- Street
- 4220 KING ST
These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).
Other organizations at this address
3 other organizations in the IRS Business Master File list the same street address. matched by us
We match the street line and ZIP code as the IRS gives them, ignoring case and outer spaces and nothing else, so "AVE" and "AVENUE" count as different streets and this list can miss some. A shared address can mean related organizations or a shared office, but it can also be a registered agent, a mail drop or a service provider holding mail for unrelated clients. It is not, by itself, evidence that two organizations are connected.
-
AMERICAN GEOLOGICAL INSTITUTE
EIN 52-0786946
-
CODE OF SUPPORT FOUNDATION
EIN 27-3485502
-
GEOSCIENCE INFORMATION SOCIETY
EIN 52-6070335
Mission and programs · 2025
Mission
To encourage the application of geochemistry to improving our understanding of the Earth and solar system.
-
Scientific conference bringing together researchers and students to present and discuss the latest findings in geochemistry and related subjects. Attendance at the Annual Meeting is approximately 2,500.
Expenses $183,017
-
Other Programs - Awards program recognizing major achievements in the field; student workshops and conference travel grants; and capacity-building grant program that supports training and topical workshops.
Expenses $109,644 · Revenue $99,034
-
Publication of a journal, newsletter, and magazine, development and maintenance of a website to educate scientists about their field.
Expenses $79,748 · Revenue $11,808
As filed on the 2025 return.
Officers and directors · 2025
As listed in Part VII of the 2025 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.
-
Dominique Weis
Vice President
- Total calculated
- $0
- Hours/week
- 2
-
Magdalena Osburn
Organic Geochemistry Division Chair
- Total calculated
- $0
- Hours/week
- 2
-
Nagissa Mahmoudi
Goldschmidt Officer
- Total calculated
- $0
- Hours/week
- 2
-
Hailiang Dong
GCA Executive Editor
- Total calculated
- $0
- Hours/week
- 2
-
Natasha Barrett
Director
- Total calculated
- $0
- Hours/week
- 2
-
Frances Jenner
International Secretary
- Total calculated
- $0
- Hours/week
- 2
-
Haibo Zou
Treasurer
- Total calculated
- $0
- Hours/week
- 2
-
Sumit Chakraborty
Past President
- Total calculated
- $0
- Hours/week
- 2
-
Elisabeth Sikes
President
- Total calculated
- $0
- Hours/week
- 2
-
Benjamin Tutolo
Secretary
- Total calculated
- $0
- Hours/week
- 2
-
Elisabeth Widom
Director
- Total calculated
- $0
- Hours/week
- 2
-
Sung Hi Choi
Director
- Total calculated
- $0
- Hours/week
- 2
-
Carme Huguet
Director
- Total calculated
- $0
- Hours/week
- 2
-
Tina van de Flierdt
Director
- Total calculated
- $0
- Hours/week
- 2
-
Mariano Remirez
Director
- Total calculated
- $0
- Hours/week
- 2
-
Anthony Kemp
Director
- Total calculated
- $0
- Hours/week
- 2
-
Marian Selorm Sapah
Director
- Total calculated
- $0
- Hours/week
- 2
Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. Earlier years are each on their own filing page.
Filings
-
2025
- Revenue
- $417,744
- Expenses
- $520,897
- Contributions
- $48,073
- Grants paid
- $0
-
2024
- Revenue
- $1,927,415
- Expenses
- $1,777,565
- Contributions
- $44,081
- Grants paid
- $0
-
2023
- Revenue
- $318,933
- Expenses
- $558,693
- Contributions
- $56,755
- Grants paid
- $0
-
2022
- Revenue
- $1,902,288
- Expenses
- $1,594,904
- Contributions
- $29,513
- Grants paid
- $0
The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.
Other returns filed
-
2021 · 990
- Revenue
- $339,336
- Expenses
- $405,970
- Assets (EOY)
- $3,656,340
-
2020 · 990
- Revenue
- $933,861
- Expenses
- $914,795
- Assets (EOY)
- $3,567,234
-
2019 · 990
- Revenue
- $466,059
- Expenses
- $485,057
- Assets (EOY)
- $3,389,534
-
2018 · 990
- Revenue
- $2,680,388
- Expenses
- $2,255,277
- Assets (EOY)
- $3,114,224
-
2017 · 990
- Revenue
- $486,501
- Expenses
- $441,093
- Assets (EOY)
- $2,864,757
-
2016 · 990
- Revenue
- $675,905
- Expenses
- $468,017
- Assets (EOY)
- $2,726,199
-
2015 · 990
- Revenue
- $424,977
- Expenses
- $428,083
- Assets (EOY)
- $2,462,281
-
2014 · 990
- Revenue
- $391,132
- Expenses
- $403,313
- Assets (EOY)
- $1,998,074
-
2013 · 990
- Revenue
- $568,557
- Expenses
- $345,790
- Assets (EOY)
- $2,068,761
-
2012 · 990
- Revenue
- not reported
- Expenses
- $209,131
- Assets (EOY)
- $1,697,451
Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.
Grants made
No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.
Grants received
No itemized grant names this organization as a recipient. Only grants over $5,000 are itemized, and only by filers of the full Form 990.
Other IRS files
Auto-Revocation List
Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.
Publication 78
Listed as of 13 October 2026, under deductibility PC.
These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.
What this page reflects
The registration facts above come from the IRS Business Master File published 9 November 2026 and read 9 November 2026, for every organization at once. Returns through tax year 2025, the newest we have parsed for this organization.