International Society of Differentiation
The isd is a non-profit professional society dedicated to advancement of the field of cell and developmental biology and the exchange of research data. The isd seeks to provide an international forum for communication of research in three key areas cancer, morphogenesis and stem cells through international meetings and through the journal, differentiation.
International Society of Differentiation at a glance
In short: International Society of Differentiation reported $43K in grants paid in 2024 (a total; its filing lists no individual grants). Source: 2024 IRS Form 990.
- Grants paid (2024)
- $42,595 — reported as a total on the IRS filing, without an itemized list
- +360.5% vs 2023
- Total assets
- $2,223,510
- -3.8% vs 2023
- Revenue (2024)
- $148,608
- +36.5% vs 2023
- Net investment income (2024)
- $102,238
- +151.7% vs 2023
- Expenses (2024)
- $256,630
- +69.7% vs 2023
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
Who International Society of Differentiation funds
How this funder distributes its grants
Grant Size Distribution
2 grants across all recorded years
The most common grant size was under $50K: 2 grants of 2 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $9K (2023) to $43K (2024). In 2024 it reported $43K in grants paid, as a total without an itemized list.
Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Society for Developmental Biology Rockville, MD | Student Poster Competition | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $2,223,510 | $148,608 | $256,630 | $42,595 | Total only | $102,238 |
| 2023 | $2,311,052 | $108,832 | $151,197 | $9,250 | Total only | $40,623 |
| 2022 | $2,326,805 | $151,817 | $352,869 | $10,000 | 1 | $19,521 |
| 2021 | $2,556,803 | $258,963 | $142,535 | $10,000 | 1 | $11,313 |
| 2020 | $2,434,303 | $266,690 | $148,719 | $30,000 | Total only | $19,790 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About International Society of Differentiation
Based on IRS filings
International Society of Differentiation is a public charity focused on Science & Technology, based in St. Paul, MN. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.2M in total assets. In 2024, it reported $43K in grants paid as a total on its IRS filing, without an itemized list. Net investment income was $102K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
International Society of Differentiation is led by Amy Hope, CEO on the 2024 filing; none of the 16 officers listed in 2024 report compensation.
Officers on the 2024 filing
Amy Hope
CEO
New on the 2024 filing
1 hr/week
No compensation reported
Sally Dunwoodie
President
President El → President Elect, 2021
President Elect → President, 2024
On filings since 2020
1 hr/week
No compensation reported
Eli Zelzer
Director
On filings since 2020
1 hr/week
No compensation reported
James Briscoe
Director
On filings since 2020
1 hr/week
No compensation reported
Josh Brickman
Director
On filings since 2020
1 hr/week
No compensation reported
Karen Liu
Director
On filings since 2020
1 hr/week
No compensation reported
Pamela Hoodless
Director
On filings since 2020
1 hr/week
No compensation reported
Peter Lwigale
Director
On filings since 2020
1 hr/week
No compensation reported
Stephanie Ma
Director
On filings since 2020
1 hr/week
No compensation reported
Raj Ladher
Director
New on the 2024 filing
1 hr/week
No compensation reported
Loydie Jerome-Majewska
Editor-In-Chief
Director → Editor in Chief, 2022
Editor in Chief → Editor-In-Chief, 2024
On filings since 2020
1 hr/week
No compensation reported
Richard Behringer
Past President
President → Past President, 2024
On filings since 2020
1 hr/week
No compensation reported
Crystal Rogers
Editor-In-Chief
Editor in Chief → Editor-In-Chief, 2024
On filings since 2022
1 hr/week
No compensation reported
Rosa Uribe
Editor-In-Chief
Editor in Chief → Editor-In-Chief, 2024
On filings since 2022
1 hr/week
No compensation reported
Anna-Katerina Hadjantonakis
President Elect
New on the 2024 filing
1 hr/week
No compensation reported
Kathleen Whitlock
Secretary & Treasurer
New on the 2024 filing
1 hr/week
No compensation reported
Former officers (24)
- Former: Anna Philpott (2020–2023) — Director
- Former: Anne Grapin-Botton (2020–2023) — Director
- Former: Christof Niehrs (2020–2023) — Director
- Former: Danny Chan (2020–2023) — Director
- Former: Elizabeth Robertson (2020–2023) — Past President
- Former: Elke Ober (2020–2023) — Director
- Former: Heiko Lickert (2020–2023) — Director
- Former: Jyotsna Dhawan (2020–2023) — Director
- Former: Kate Whitlock (2020–2023) — Director
- Former: Ken Zaret (2020–2023) — Director
- Former: Mark Lewandoski (2020–2023) — Treasurer & Secretary
- Former: Mitinori Saitou (2020–2023) — Director
- Former: Olivier Pourquie (2020–2023) — Director
- Former: Rebecca Burdine (2020–2023) — Director
- Former: Robert Kelly (2020–2023) — Director
- Former: Ryoichiro Kageyama (2020–2023) — Director
- Former: Shahragim Tajbakhsh (2020–2023) — Director
- Former: Stefano Piccolo (2020–2023) — Director
- Former: Tariq Enver (2020–2023) — Director
- Former: Valerie Wilson (2020–2023) — Director
- Former: Yukiko Yamashita (2020–2023) — Director
- Former: Jennifer Shultz - Administrator (2022)
- Former: Colin Stewart (2020–2021) — Editor in Chief
- Former: Jennifer Shultz (2020–2021) — Administrator
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.
Frequently asked questions about International Society of Differentiation
How much does International Society of Differentiation give each year?
International Society of Differentiation reported $43K in grants paid in 2024 on its 2024 IRS Form 990, as a total without an itemized list of grants. In 2023 it reported $9K in grants paid.
How large is International Society of Differentiation?
International Society of Differentiation reported $2.2M in total assets on its 2024 IRS Form 990. Its revenue that year was $149K.
What is International Society of Differentiation?
International Society of Differentiation is a public charity focused on Science & Technology, based in St. Paul, MN. It holds $2.2M in total assets as of 2024.
Where does International Society of Differentiation operate?
International Society of Differentiation has awarded grants in Maryland.
What is International Society of Differentiation's EIN?
International Society of Differentiation's EIN (Employer Identification Number) is 41-1523283. 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
- Updated Form 990 for fiscal year 2020 (received by the IRS June 14, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS June 27, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 9, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 1, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS September 25, 2025)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in International Society of Differentiation's focus areas in our free grants database
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International Society of Differentiation down — hundreds of funders to go?