American Astronomical Society logo

American Astronomical Society

Public charity · Grantmaker Washington, DC EIN: 21-0735173 Website

The American Astronomical Society (AAS), established in 1899, is the major organization of professional astronomers in North America. The basic objective of the AAS is to promote the advancement of astronomy and closely related branches of science the membership (approximately 7,000) also includes physicists, mathematicians, geologists, engineers and others whose research interests lie within the broad spectrum of subjects now comprising contemporary astronomy.

American Astronomical Society at a glance

In short: American Astronomical Society gave $266K across 3 grants in 2024 (avg $89K), mostly in Illinois. Source: 2024 IRS Form 990.

Annual giving (2024)
$266,437
+31.7% vs 2023
Grants made (2024)
3
-25.0% vs 2023
Average grant
$88,812
+75.6% vs 2023
Median grant
$25,000
Total assets
$25,528,282
+0.4% vs 2023
Primary geography
Illinois (96% of itemized 2024 grant dollars)
Latest 990 filing
Form 990, 2024 View filing

Data from IRS Form 990, 2024; updated September 2026.

Who American Astronomical Society funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2024

Northwestern University: $231KNorthwestern University$231KJohn Hopkins University: $25KJohn Hopkins University$25KFlorida Atlantic University: $10KFlorida Atlantic University$10K

The largest 2024 recipient was Northwestern University ($231K). Together the top 3 received $266K.

Grant Size Distribution

19 grants across all recorded years

17<$50K$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 17 grants of 19 (89%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Share of 2024 grant dollars across all 3 itemized grants.

Cities

AtlantaBostonCambridgeChicagoEvanstonIrvineOaklandCollege ParkIthacaNantucketNew YorkWashington

How American Astronomical Society gives

  • Giving grew 1623% from 2021 to 2024. Method

From the foundation's IRS Form 990 filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K6 grants2020 2 grants2021 4 grants2022 4 grants2023 3 grants2024

From 2020 to 2024, annual grant giving ranged from $15K (2021) to $266K (2024). In 2024 it made 3 grants totaling $266K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Northwestern University Evanston, ILSe-Le Stipend$231,437
John Hopkins University Chicago, ILSe-Le Stipend$25,000
Florida Atlantic University Atlanta, GASe-Le Stipend$10,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2024$25,528,282$21,867,046$21,688,245$266,4373$385,411
2023$25,423,957$19,197,016$21,907,187$202,3364$382,054
2022$26,257,850$19,541,464$19,786,193$71,7294$586,456
2021$21,871,177$17,471,166$16,795,604$15,4602$742,267
2020$21,479,028$17,036,511$17,432,234$32,9606$804,576

About American Astronomical Society

Based on IRS filings

American Astronomical Society is a public charity focused on Science & Technology, based in Washington, DC. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $25.5M in total assets. In 2024, it awarded 3 grants totaling $266K. Net investment income was $385K.

Leadership & Key People

Officers and directors from IRS filings

American Astronomical Society is led by Dara Norman, President since 2024 (on filings since 2023); 9 of 19 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Dara Norman

    President

    President Elect → President, 2024

    On filings since 2023

    5 hrs/week

    No compensation reported

  • Joel Parriott

    Director of Public Policy

    On filings since 2020

    35 hrs/week

    $205K (2020) → $238K (2024)

  • Diane Frendak

    Director of Membership Services

    Director of Membership Services → Director of Membership Ser, 2022

    Director of Membership Ser → Director of Membership Services, 2024

    On filings since 2021

    35 hrs/week

    $106K (2021) → $113K (2024)

  • Rodney Nenner

    Director of Strategic Part

    Director of Strategic Partnerships → Director of Strategic Part, 2024

    On filings since 2023

    35 hrs/week

    $174K (2023) → $148K (2024)

  • Michele Stevenson

    Director of Meetings & Operations

    New on the 2024 filing

    35 hrs/week

    $114K (2024)

  • Sylvia Martinez

    Director of Hr

    New on the 2024 filing

    35 hrs/week

    $122K (2024)

  • B. Ashley Zauderer-Vanderley

    At-Large Trustee

    At-Large Trustees → At-Large Trustee, 2023

    On filings since 2022

    1 hr/week

    No compensation reported

  • Lisa Prato

    At-Large Trustee

    On filings since 2023

    1 hr/week

    No compensation reported

  • Daniel Dale

    At-Large Trustee

    New on the 2024 filing

    1 hr/week

    No compensation reported

  • Gregory Rudnick

    At-Large Trustee

    New on the 2024 filing

    1 hr/week

    No compensation reported

  • Alice K. B. Monet

    Secretary

    On filings since 2020

    10 hrs/week

    $40K (2020) → $0 (2024)

  • Ethan Vishniac

    Editor-In-Chief

    On filings since 2020

    35 hrs/week

    $254K (2020) → $278K (2024)

  • Kelly E. Clark

    Chief Financial & Operat

    On filings since 2020

    35 hrs/week

    $215K (2020) → $256K (2024)

  • Kevin B. Marvel

    Executive Officer

    On filings since 2020

    35 hrs/week

    $453K (2020) → $481K (2024)

  • Jack Burns

    Treasurer

    New on the 2024 filing

    2 hrs/week

    $40K (2024)

  • Kelsey Johnson

    Past President

    President Elect → President, 2022

    President → Past President, 2024

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Grant Tremblay

    Senior Vice President

    Third Vice President → Second Vice President, 2023

    Second Vice President → Senior Vice President, 2024

    On filings since 2022

    5 hrs/week

    No compensation reported

  • Dawn Gelino

    Second Vice President

    Third Vice President → Second Vice President, 2024

    On filings since 2023

    5 hrs/week

    No compensation reported

  • Edwin Bergin

    Third Vice President

    New on the 2024 filing

    5 hrs/week

    No compensation reported

Former officers (23)
  • Former: Doris Daou (2020–2023) — Treasurer
  • Former: Elizabeth Scuderi (2020–2023) — Director of Meeting Services
  • Former: Julie Steffen (2020–2023) — Director of Publishing
  • Former: Adam Burgasser (2021–2023) — Senior Vice President
  • Former: Jane Rigby (2021–2023) — At-Large Trustee
  • Former: Louis-Gregory Strogler (2021–2023) — At-Large Trustee
  • Former: Bethany Johns (2023) — Deputy Director of Public Policy
  • Former: Edmund Bertschinger (2020–2022) — At-Large Trustee
  • Former: Geoffrey C. Clayton (2020–2022) — Prior Senior Vice President · Filing note: Term ended
  • Former: Marcel Agueros (2020–2022) — Prior At-Large Trustee · Filing note: Term ended
  • Former: Megan Donahue (2020–2022) — Prior Past President · Filing note: Term ended
  • Former: Paula Szkody (2020–2022) — Past President · Filing note: Term ended
  • Former: Stephen Unwin (2020–2022) — Senior Vice President
  • Former: Janice Sexton (2022) — Editorial Operations Manager
  • Former: Peter Tyson (2022) — S & T Editor in Chief
  • Former: Hannah Jang-Condell (2020–2021) — At-Large Trustee
  • Former: Joan Schmelz (2020–2021) — Prior Senior Vice President · Filing note: Term ended
  • Former: Tereasa Brainerd (2020–2021) — Prior At-Large Trustee · Filing note: Term ended
  • Former: Tim Allen (2020–2021) — Director of Advertising
  • Former: Kelle Cruz (2020) — Trustee · Filing note: Term ended
  • Former: Michael Strauss (2020) — Prior Senior Vice President · Filing note: Term ended
  • Former: Nancy Morrison (2020) — Prior Treasurer · Filing note: Term ended
  • Former: Rick Fienberg (2020) — Press Officer

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Kevin B Marvel — Executive Officer: $481KKevin B MarvelExecutive Officer$481KEthan Vishniac — Editor-In-Chief: $278KEthan VishniacEditor-In-Chief$278KKelly E Clark — Chief Financial and Operat: $256KKelly E ClarkChief Financial and Operat$256KJoel Parriott — Director of Public Policy/: $238KJoel ParriottDirector of Public Policy/$238KRodney Nenner — Director of Strategic Part: $148KRodney NennerDirector of Strategic Part$148KSylvia Martinez — Director of HR: $122KSylvia MartinezDirector of HR$122KMichele Stevenson — Director of Meetings & Operations: $114KMichele StevensonDirector of Meetings &…$114KDiane Frendak — Director of Membership Services: $113KDiane FrendakDirector of Membership Services$113KJack Burns — Treasurer: $40KJack BurnsTreasurer$40K

The highest reported compensation on the 2024 filing was $481K, to Kevin B Marvel (Executive Officer). 9 officers or directors reported compensation on that filing.

Frequently asked questions about American Astronomical Society

How much does American Astronomical Society give each year?

American Astronomical Society gave $266K across 3 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $202K across 4 grants.

What is American Astronomical Society's typical grant size?

American Astronomical Society's median grant in 2024 was $25,000, and its average grant was $88,812, across 3 grants on its 2024 IRS Form 990.

Where does American Astronomical Society give grants?

American Astronomical Society gives mostly in Illinois: 96% of the grant dollars itemized on its 2024 IRS Form 990 went to recipients there.

Does American Astronomical Society give general operating support?

Not in 2024: none of the 3 grants with a stated purpose on American Astronomical Society's 2024 IRS Form 990 were described as general or operating support. Recurring purposes include "Se-Le Stipend" (3 grants).

How large is American Astronomical Society?

American Astronomical Society reported $25.5M in total assets on its 2024 IRS Form 990. Its revenue that year was $21.9M.

What is American Astronomical Society?

American Astronomical Society is a public charity focused on Science & Technology, based in Washington, DC. It holds $25.5M in total assets as of 2024.

What is American Astronomical Society's EIN?

American Astronomical Society's EIN (Employer Identification Number) is 21-0735173. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990 filings.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2020 (received by the IRS October 21, 2021)
  2. Updated Form 990 for fiscal year 2021 (received by the IRS November 14, 2022)
  3. Updated Form 990 for fiscal year 2022 (received by the IRS November 15, 2023)
  4. Updated Form 990 for fiscal year 2023 (received by the IRS November 8, 2024)
  5. Updated Form 990 for fiscal year 2024 (received by the IRS November 5, 2025)
  6. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from American Astronomical Society's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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