JCPDS-International Centre for Diffraction Data
The international centre for diffraction data (ICDD) will continue to be the world center for quality diffraction and related data, and world class software to meet and anticipate the needs of the technical community. ICDD promotes the application of materials characterization methods in science and technology by providing forums for the exchange of ideas and information.
JCPDS-International Centre for Diffraction Data at a glance
In short: JCPDS-International Centre for Diffraction Data gave $31K across 2 grants in 2025 (avg $15K), mostly in Illinois. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $30,955
- -15.2% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $15,478
- -15.2% vs 2024
- Median grant
- $15,478
- Total assets
- $35,658,628
- +5.8% vs 2024
- Primary geography
- Illinois (82% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who JCPDS-International Centre for Diffraction Data funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Poly Crystallography ($25K). Together the top 2 received $31K.
Grant Size Distribution
5 grants across all recorded years
The most common grant size was under $50K: 4 grants of 5 (80%).
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $31K (2025) to $294K (2021). In 2025 it made 2 grants totaling $31K.
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 |
|---|---|---|
| Poly Crystallography Naperville, IL | Reference X-Ray Patterns of Technically Important Materials | $25,375 |
| The University of Toledo Toledo, OH | Temperature dependent lattice constants of negative thermal expansion material | $5,580 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $35,658,628 | $12,040,457 | $10,132,293 | $30,955 | 2 | $1,834,810 |
| 2024 | $33,701,868 | $10,527,025 | $9,570,356 | $36,525 | 2 | $788,011 |
| 2023 | $29,258,331 | $9,484,120 | $9,369,495 | $67,852 | 1 | $939,821 |
| 2022 | $30,496,425 | $9,667,000 | $8,886,261 | $255,710 | Total only | $1,246,474 |
| 2021 | $29,207,921 | $9,027,935 | $9,539,147 | $294,002 | Total only | $1,222,759 |
| 2020 | $25,055,982 | $8,506,684 | $9,075,680 | $277,090 | Total only | $708,374 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About JCPDS-International Centre for Diffraction Data
Based on IRS filings
JCPDS-International Centre for Diffraction Data is a public charity focused on Science & Technology, based in Newtown Square, PA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $35.7M in total assets. In 2025, it awarded 2 grants totaling $31K. Net investment income was $1.8M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
JCPDS-International Centre for Diffraction Data is led by Thomas Blanton, Executive Director on every filing since 2020; 7 of 18 officers listed in 2025 are compensated.
Officers on the 2025 filing
Thomas Blanton
Executive Director
On filings since 2020
40 hrs/week
$254K (2020) → $368K (2025)
Charlene Greenwood
Chair & Technical Committee
Directors-At-Large → Director-At-Large, 2024
Director-At-Large → Chair & Technical Committee, 2025
On filings since 2020
7 hrs/week
No compensation reported
Robert Dinnebier
Chair
Chair & Technical Committee → Chair, 2025
On filings since 2020
7 hrs/week
No compensation reported
Takashi Ida
Director-At-Large
Directors-At-Large → Director-At-Large, 2024
On filings since 2020
7 hrs/week
No compensation reported
Graciela Diaz De Delgado
Director-At-Large
Directors-At-Large → Director-At-Large, 2024
On filings since 2022
7 hrs/week
No compensation reported
Antonio M. Dos Santos
Director-At-Large
On filings since 2024
7 hrs/week
No compensation reported
Ashfia Huq
Director-At-Large
On filings since 2024
7 hrs/week
No compensation reported
Leopoldo Suescun
Director-At-Large
On filings since 2024
7 hrs/week
No compensation reported
Rongsheng Zhou
Senior Software Programmer
Md-Senior Programmer → Senior Software Programmer, 2024
On filings since 2020
40 hrs/week
$257K (2020) → $260K (2025)
Scott Cole
Sales & Marketing Manager
Md-Operations Manager → Sales & Marketing Manager, 2022
On filings since 2020
40 hrs/week
$166K (2020) → $171K (2025)
Steffen Weber
Senior Software Programmer
Md-Senior Programmer → Senior Software Programmer, 2024
On filings since 2020
40 hrs/week
$184K (2020) → $176K (2025)
Xiaojing Zhu
Senior Software Programmer
Md-Senior Programmer → Senior Software Programmer, 2024
On filings since 2020
40 hrs/week
$184K (2020) → $176K (2025)
Denise Flaherty
Corporate Secretary
On filings since 2023
40 hrs/week
$72K (2023) → $90K (2025)
Vesna Bosnic
Database Manager & Senior Database Programmer
New on the 2025 filing
40 hrs/week
$140K (2025)
Carlo Segre
Vice Chair
Directors-At-Large → Director-At-Large, 2024
Director-At-Large → Vice Chair, 2025
On filings since 2020
7 hrs/week
No compensation reported
E. Andrew Payzant
Past Chair
Chair → Past Chair, 2025
On filings since 2020
7 hrs/week
No compensation reported
James Kaduk
Treasurer
On filings since 2020
7 hrs/week
No compensation reported
Bryan Wheaton
Treasurer
New on the 2025 filing
7 hrs/week
No compensation reported
Former officers (7)
- Former: Matteo Leoni (2020–2024) — Past Chair
- Former: Pamela Whitfield (2020–2024) — Director-At-Large
- Former: Winnie Wong-Ng (2020–2024) — Vice Chair
- Former: Joseph Sunzeri (2023–2024) — Information Technology Manager
- Former: Donna M. Barry (2020–2023) — Business Manager
- Former: Theresa Maguire (2020–2022) — Corporate Secretary
- Former: Vanessa Peterson (2020–2022) — Directors-At-Large · Filing note: Until 322
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $368K, to Thomas Blanton (Executive Director). 7 officers or directors reported compensation on that filing.
Frequently asked questions about JCPDS-International Centre for Diffraction Data
How much does JCPDS-International Centre for Diffraction Data give each year?
JCPDS-International Centre for Diffraction Data gave $31K across 2 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $37K across 2 grants.
How large is JCPDS-International Centre for Diffraction Data?
JCPDS-International Centre for Diffraction Data reported $35.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $12.0M.
What is JCPDS-International Centre for Diffraction Data?
JCPDS-International Centre for Diffraction Data is a public charity focused on Science & Technology, based in Newtown Square, PA. It holds $35.7M in total assets as of 2025.
Where does JCPDS-International Centre for Diffraction Data operate?
JCPDS-International Centre for Diffraction Data has awarded grants in Illinois, Ohio.
What is JCPDS-International Centre for Diffraction Data's EIN?
JCPDS-International Centre for Diffraction Data's EIN (Employer Identification Number) is 23-1722541. 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS February 4, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS January 14, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS January 23, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS January 24, 2025)
- Updated Form 990 for fiscal year 2025 (received by the IRS November 21, 2025)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work JCPDS-International Centre for Diffraction Data funds
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