International Thyroid Oncology Group logo

International Thyroid Oncology Group

Public charity · Grantmaker Yorkville, NY EIN: 20-4773370 Website

The International Thyroid Oncology Group has been organized and will be operated exclusively to serve the exempt purpose of (1) furthering scientific research into possible cures for thyroid cancer; and (2) educating the public regarding thyroid cancer and research into possible cures for the disease by hosting conferences, meetings, and other educational programs, and by disseminating research results regarding thyroid cancer treatments.

International Thyroid Oncology Group at a glance

In short: International Thyroid Oncology Group gave $35K across 1 grant in 2025 (avg $35K), mostly in Massachusetts. Source: 2025 IRS Form 990.

Annual giving (2025)
$35,000
+0.0% vs 2024
Grants made (2025)
1
+0.0% vs 2024
Average grant
$35,000
+0.0% vs 2024
Median grant
$35,000
Total assets
$4,950,358
+14.0% vs 2024
Primary geography
Massachusetts (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated September 2026.

Who International Thyroid Oncology Group funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Mass Eye & Ear: $35KMass Eye & Ear$35K

The largest 2025 recipient was Mass Eye & Ear ($35K).

Grant Size Distribution

7 grants across all recorded years

7<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 7 grants of 7 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of the 2025 grant dollars on its one itemized grant.

Cities

BostonColumbus

How International Thyroid Oncology Group gives

  • Giving held roughly steady from 2022 to 2025 (−12%). 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$20K$40K$60K1 grant2020 2 grants2021 2 grants2022 1 grant2023 1 grant2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $25K (2020) to $44K (2021). In 2025 it made 1 grant totaling $35K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Mass Eye & Ear Boston, MATo Assist with Administrative Costs$35,000
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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
2025$4,950,358$613,818$372,508$35,0001$223,529
2024$4,343,548$541,804$361,108$35,0001$258,614
2023$4,087,622$379,506$211,213$25,0001$150,234
2022$3,731,345$420,403$167,566$40,0002$66,978
2021$3,897,331$370,669$126,509$44,0002$94,387
2020$3,534,997$335,388$96,740$25,0001$72,187

About International Thyroid Oncology Group

Based on IRS filings

International Thyroid Oncology Group is a public charity focused on Medical Research, based in Yorkville, NY. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $5.0M in total assets. In 2025, it awarded 1 grant totaling $35K. Net investment income was $224K.

Focus Areas

Leadership & Key People

Officers and directors from IRS filings

International Thyroid Oncology Group is led by Gregory Randolph MD, President since 2022 (on filings since 2020); none of the 14 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Gregory Randolph MD

    President

    Director → President, 2022

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Alan Ho MD PhD

    Correlative Chair

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Julie Ann Sosa MD

    Finance Chair

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Frank Worden MD

    Protocol Committe Chair

    On filings since 2024

    2 hrs/week

    No compensation reported

  • Christine Spitzweg

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Naifa Busaidy MD

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Carmello Nucera

    Director

    On filings since 2023

    5 hrs/week

    No compensation reported

  • Laura Fugazzola

    Director

    On filings since 2023

    2 hrs/week

    No compensation reported

  • Ian Ganley MD PhD

    Director

    On filings since 2024

    2 hrs/week

    No compensation reported

  • Lindsey Bischoff MD

    Director

    On filings since 2024

    2 hrs/week

    No compensation reported

  • Sarimar Agosto Salgado MD

    Director

    On filings since 2024

    2 hrs/week

    No compensation reported

  • Victor Bernet MD

    Director

    On filings since 2024

    2 hrs/week

    No compensation reported

  • Dwight Vicks III MBA

    CFO & Co-Founder

    Treasurer → CFO & Co-Founder, 2021

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Laura Boucai MD

    Secretary

    On filings since 2024

    2 hrs/week

    No compensation reported

Former officers (12)
  • Former: Andrew Gianoukakis MD (2020–2023) — Member Chair
  • Former: Kate Newbold (2020–2023) — Director
  • Former: Mabel Ryder (2020–2023) — Secretary
  • Former: Byran Haugen (2023) — Protocol Chair
  • Former: Mark Zafareo (2023) — Director
  • Former: Wendy Sax (2023) — Director
  • Former: Elizabeth Grubbs (2020–2022) — Director
  • Former: Eric Sherman (2020–2022) — Protocol Chair
  • Former: Manisha Shah MD (2020–2022) — Director
  • Former: Sareh Parangi MD (2020–2022) — Secretary
  • Former: Sophia Leboulleux (2020–2022) — International Liaison
  • Former: Yariv Houvras (2020–2022) — Director

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about International Thyroid Oncology Group

How much does International Thyroid Oncology Group give each year?

International Thyroid Oncology Group gave $35K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $35K across 1 grant.

How large is International Thyroid Oncology Group?

International Thyroid Oncology Group reported $5.0M in total assets on its 2025 IRS Form 990. Its revenue that year was $614K.

What is International Thyroid Oncology Group?

International Thyroid Oncology Group is a public charity focused on Medical Research, based in Yorkville, NY. It holds $5.0M in total assets as of 2025.

Where does International Thyroid Oncology Group operate?

International Thyroid Oncology Group has awarded grants in Massachusetts, Ohio.

What is International Thyroid Oncology Group's EIN?

International Thyroid Oncology Group's EIN (Employer Identification Number) is 20-4773370. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2025 (received by the IRS August 18, 2026)
  2. 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 International Thyroid Oncology Group'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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