International Disk Equipment and Materials Association
Idema is the disk drive industry's forum for proactive collaboration and leadership, which improves the health and capabilities of the industry. Idema's mission is to add value to all levels of the hard disk drive (HDD) and solid-state drive (SSD) supply chains by: setting industry technology standards and benchmarks; building and operating a pre-competitive commercial standards program; communicating, both within the industry and externally, key elements of the HDD and SSD markets; hosting "best-in-class" trade shows, education, symposia, and conferences; and offering unique networking opportunities for all industry participants.
International Disk Equipment and Materials Association at a glance
In short: International Disk Equipment and Materials Association reported $65K in grants paid in 2024 (a total; its filing lists no individual grants). Source: 2024 IRS Form 990.
- Grants paid (2024)
- $65,000 — reported as a total on the IRS filing, without an itemized list
- -7.1% vs 2023
- Total assets
- $1,866,768
- -2.5% vs 2023
- Revenue (2024)
- $50,002
- -92.4% vs 2023
- Net investment income (2024)
- $2
- +0.0% vs 2023
- Expenses (2024)
- $385,682
- -0.4% vs 2023
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
Who International Disk Equipment and Materials Association funds
How this funder distributes its grants
Grant Size Distribution
18 grants across all recorded years
The most common grant size was in the $50–100K range: 12 grants of 18 (67%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
How International Disk Equipment and Materials Association gives
- Giving fell 90% from 2020 to 2023. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $65K (2024) to $714K (2021). In 2024 it reported $65K 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 |
|---|---|---|
| University of Chicago Chicago, IL | Research related to high-resolution patterning materials and processing to enable heated dot magnetic recording | $70,000 |
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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 | $1,866,768 | $50,002 | $385,682 | $65,000 | Total only | $2 |
| 2023 | $1,914,810 | $660,002 | $387,085 | $70,000 | 1 | $2 |
| 2022 | $1,364,298 | $1,380,003 | $748,776 | $230,000 | Total only | $3 |
| 2021 | $504,278 | $750,003 | $1,453,261 | $714,000 | 8 | $3 |
| 2020 | $979,035 | $1,117,511 | $1,544,310 | $699,000 | 9 | $11 |
"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.
About International Disk Equipment and Materials Association
Based on IRS filings
International Disk Equipment and Materials Association is a public charity, based in Plumas Lake, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.9M in total assets. In 2024, it reported $65K in grants paid as a total on its IRS filing, without an itemized list. Net investment income was $2.
Leadership & Key People
Officers and directors from IRS filings
International Disk Equipment and Materials Association is led by Mark Geenen, Chairman on every filing since 2020; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Mark Geenen
Chairman
On filings since 2020
0.5 hrs/week
No compensation reported
Isao Suzuki
Board Member
On filings since 2020
0.1 hrs/week
No compensation reported
Tomohiko Kishi
Board Member
On filings since 2020
0.1 hrs/week
No compensation reported
Former officers (1)
- Former: Trudy Gressley (2020–2023) — Office Manager
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 Disk Equipment and Materials Association
How much does International Disk Equipment and Materials Association give each year?
International Disk Equipment and Materials Association reported $65K in grants paid in 2024 on its 2024 IRS Form 990, as a total without an itemized list of grants. In 2023 it gave $70K across 1 grant.
How large is International Disk Equipment and Materials Association?
International Disk Equipment and Materials Association reported $1.9M in total assets on its 2024 IRS Form 990. Its revenue that year was $50K.
Where does International Disk Equipment and Materials Association operate?
International Disk Equipment and Materials Association has awarded grants in California, Colorado, Georgia, Illinois, Indiana, Minnesota, Pennsylvania, Washington.
What is International Disk Equipment and Materials Association's EIN?
International Disk Equipment and Materials Association's EIN (Employer Identification Number) is 68-0110971. 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 November 12, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 14, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 15, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 14, 2025)
- IRS filings on file for fiscal years 2020–2024
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