YIYOON FAMILY FOUNDATION
Cite this
Plain text YIYOON FAMILY FOUNDATION. furp.org, nonprofit organization profile, tax years 2021–2024. https://furp.org/org/yiyoon-family-foundation-873653292. Retrieved 2026-10-27.
APA furp.org. (n.d.). YIYOON FAMILY FOUNDATION [Nonprofit organization profile; tax years 2021–2024]. Retrieved October 27, 2026, from https://furp.org/org/yiyoon-family-foundation-873653292
MLA “YIYOON FAMILY FOUNDATION.” furp.org, tax years 2021–2024, https://furp.org/org/yiyoon-family-foundation-873653292. Accessed 27 Oct. 2026.
Retrieved 2026-10-27; covers tax years 2021–2024. Data: furp.org, CC BY 4.0.
2024 · Form 990PF · revenue $10K · expenses $22K · assets $413K
- EIN
- 87-3653292
- Address
- FOUNDATION SOURCE 501 SILVERSIDE RD, WILMINGTON, DE 19809-0000
- NTEE code
- T22
- Exempt type
- 501(c)(3): charitable, religious, educational, scientific or literary (corporation)
- Ruling date
- November 2023 (when the IRS recognized its exemption)
- IRS status
- Exempt (unconditional) (IRS Business Master File) IRS data ↗
- Tax-deductible donations
- Yes: listed in IRS Publication 78 (private foundation) Pub 78 ↗
- Foundation status
- Private non-operating foundation
- Cross-check
- ProPublica Nonprofit Explorer
Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).
People paid by the organization
None of the 1 person listed on these returns reported compensation from the organization. They are listed below.
Officers and directors, no compensation reported
1 person listed on the returns with $0 (or no amount) in every compensation column: current people first. Hours are as filed on the latest return each person appears on.
| Name | Latest title | Years | Hrs/wk (latest) | Compensation | Organizations |
|---|---|---|---|---|---|
| Marc S Yi | Dir, Pres, Sec, Treas | 2021-2024 | 2 | $0 reported | 1 |
People by year
2024 · 1 person listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| Marc S Yi | Dir, Pres, Sec, Treas | 2 | $0 | - | $0 | $0 | 1 |
2023 · 1 person listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| Marc S Yi | Dir, Pres, Sec, Treas | 2 | $0 | - | $0 | $0 | 1 |
2022 · 1 person listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| Marc S Yi | Dir, Pres, Sec, Treas | 2 | $0 | - | $0 | $0 | 1 |
2021 · 1 person listed · none paid
| Name | Title | Hrs/wk | From org | From related | Other | Total | Orgs |
|---|---|---|---|---|---|---|---|
| Marc S Yi | Dir, Pres, Sec, Treas | 2 | $0 | - | $0 | $0 | 1 |
Highest-paid independent contractors
No independent contractors reported.
Who the money went to
Grants this organization reported paying: Schedule I Part II of the Form 990, or the grants-paid list on the 990-PF. Open a year for every recipient. Recipients link to their own page when the grant names an EIN we have (990-PF grants list no EIN, so those link only on an exact, unique name and state). Grants to individuals are counted; their names are not shown.
2024 · 1 grant to organizations · $12K
2023 · 1 grant to organizations · $15K
2022 · 3 grants to organizations · $20K
Negative amounts are returned or refunded grants; they are listed last and left out of the totals of grants paid.
Who gave
Contributors listed on Schedule B of the Form 990-PF: name, city and state as filed (street addresses are not shown), with total and noncash contributions for the year. A link to an organization's page is tagged Fuzzy with its name-similarity score (0 to 1) when it rests on name and state; Schedule B lists no EIN, so no link here is an exact identifier match.
2023 · 1 contributor · $5K
| # | Contributor | Type | City, state | Total | Noncash | Source |
|---|---|---|---|---|---|---|
| 1 | Yi Marc S | Person | Los Altos, CA | $5,000 | - | Form 990PF Sch. B, 2023 · filing |
2021 · 1 contributor · $619K
| # | Contributor | Type | City, state | Total | Noncash | Source |
|---|---|---|---|---|---|---|
| 1 | Marc S Yi | Person | Los Altos, CA | $619,220 | $409,220 | Form 990PF Sch. B, 2021 · filing |
Contributors listed here are as reported on the filing. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.
Finances
Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.
| Revenue | Expenses | Assets | Net assets | Contributions | Program revenue | Officer pay | Employees | Volunteers |
|---|---|---|---|---|---|---|---|---|
| 2024 · Form 990PF | ||||||||
| $10,499 | $22,091 | $413,193 | $413,193 | $0 | - | $0 | - | - |
| 2023 · Form 990PF | ||||||||
| -$137,087 | $24,054 | $424,785 | $424,785 | $5,000 | - | $0 | - | - |
| 2022 · Form 990PF | ||||||||
| $280 | $33,575 | $585,926 | $585,926 | $0 | - | $0 | - | - |
| 2021 · Form 990PF | ||||||||
| $619,221 | $0 | $619,221 | $619,221 | $619,220 | - | $0 | - | - |
Funders of this organization
Not reported: no grants to this organization appear in the filings we have (tax years 2010 to 2025).
Similar organizations
Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)
| Organization | State | NTEE | Latest revenue | Latest expenses | Top-paid title | Top pay | Why similar |
|---|---|---|---|---|---|---|---|
| COWGER FAMILY FOUNDATION | DE | T22 | $9,321 | $19,755 | Dir, Pres | $0 | Same NTEE code T22, revenue within 2x, same state, similar name |
| THE SOK FAMILY FOUNDATION | DE | T22 | $12,335 | $27,207 | Dir | $0 | Same NTEE code T22, revenue within 2x, same state, similar name |
| MSD SHARMA FAMILY FOUNDATION | DE | T22 | $9,762 | $65 | Director | $0 | Same NTEE code T22, revenue within 2x, same state, similar name |
| THE JOHN KWON AND FAMILY FOUNDATION | DE | T22 | $10,022 | $14,759 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state, similar name |
| BUCKEY-CLARK FAMILY FOUNDATION INC | DE | T22 | $9,141 | $65,375 | President | $0 | Same NTEE code T22, revenue within 2x, same state, similar name |
| CLAUDE ERIC LAZARD FAMILY FOUNDATION | DE | T22 | $8,862 | $5,146 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state, similar name |
| THE GOLDEN VALLEY RANCH FAMILY FOUNDATION | DE | T22 | $9,753 | $37,833 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| THE BECKER FAMILY PHILANTHROPIC FOUNDATION | DE | T22 | $12,503 | $9,036 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| THE DIANE AND ROGER MANIS FAMILY FOUNDATION | DE | T22 | $10,211 | $14,265 | Dir, Pres | $0 | Same NTEE code T22, revenue within 2x, same state |
| CARYL H AND BERNARD M SUSMAN FAMILY FOUNDATION | DE | T22 | $12,170 | $117,712 | Co- Pres, Dir | $0 | Same NTEE code T22, revenue within 2x, same state |
| THE SALVIN FOUNDATION | DE | T22 | $12,347 | $135,440 | Pres, Dir, Sec | $0 | Same NTEE code T22, revenue within 2x, same state |
| THE MCNAMARA FOUNDATION | DE | T22 | $8,931 | $35,352 | Dir, Sec | $0 | Same NTEE code T22, revenue within 2x, same state |
| TEAM MILLS PRIVATE FOUNDATION | DE | T22 | $11,467 | $17,338 | Dir | $0 | Same NTEE code T22, revenue within 2x, same state |
| LOYL LEARN FOR YOUR LIFE FOUNDATION | DE | T22 | $11,757 | $6,222 | TRUSTEE | $3,792 | Same NTEE code T22, revenue within 2x, same state |
| MAKING WAVES FOUNDATION INC | DE | T22 | $10,000 | $282 | President | $0 | Same NTEE code T22, revenue within 2x, same state |
| A LITTLE STEP UP FOUNDATION | DE | T22 | $11,105 | $35,407 | Pres, Dir, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| GUPTA CHARITABLE FOUNDATION | DE | T22 | $9,861 | $29,508 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| DR LANA JOSEPH FORD FOUNDATION | DE | T22 | $11,371 | $32,831 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| ROBIN ALEXANDER SATERIALE FOUNDATION | DE | T22 | $9,750 | $7,639 | Dir, VP | $0 | Same NTEE code T22, revenue within 2x, same state |
| HARSH AND ANITHA MAHESHWARI FOUNDATION | DE | T22 | $11,370 | $16,439 | Dir, Pres, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| JUDITH A SCHABEL CHARITABLE FOUNDATION | DE | T22 | $11,599 | $11,157 | Pres, Dir, Sec | $0 | Same NTEE code T22, revenue within 2x, same state |
| INGEBORG FISSLER DIEDENHOFEN FOUNDATION INC | DE | T22 | $11,571 | $10,764 | DIRECTOR | $0 | Same NTEE code T22, revenue within 2x, same state |
| MCCAUGHIN MOUNTAIN FOUNDATION FOR EMPOWERMENT | DE | T22 | $9,364 | $37,545 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| ROBERT & SANDRA ELLIS CHARITABLE FOUNDATION | DE | T22 | $10,455 | $55,197 | Dir, Pres, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
| AISLING CHARITABLE FUND | DE | T22 | $8,809 | $37,056 | Dir, Pres, Sec, Treas | $0 | Same NTEE code T22, revenue within 2x, same state |
Who funds organizations like this
Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).
| Grantor | Type | Total given | Grants | Organizations funded | Years | Which ones |
|---|---|---|---|---|---|---|
| CANNON FAMILY FOUNDATION INC | Private foundation | $79,217 | 1 | 1 | 2020–2020 | CANNON FAMILY FOUNDATION LLC |
| THE MIRZA FAMILY FOUNDATION | Private foundation | $6,000 | 1 | 1 | 2016–2016 | KHANDEKAR FAMILY FOUNDATION |
| DAYTON FOUNDATION | DAF sponsor | $5,000 | 1 | 1 | 2013–2013 | MILLS FAMILY FOUNDATION |
| THE ANNE AND CHARLIE JOSEPH FAMILY | Private foundation | $500 | 1 | 1 | 2020–2020 | MILLS FAMILY FOUNDATION |
The full list · all similar organizations
Where the money went
Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.
2024 · Form 990PF · $22,091 spent · pay $0 · grants $12,000 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $12,000 | 54.3% | |
| Other expenses | $8,791 | 39.8% | |
| Taxes | $1,300 | 5.9% | |
| Total | $22,091 | 100% |
2023 · Form 990PF · $24,054 spent · pay $0 · grants $15,000 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $15,000 | 62.4% | |
| Other expenses | $8,650 | 36.0% | |
| Taxes | $404 | 1.7% | |
| Total | $24,054 | 100% |
2022 · Form 990PF · $33,575 spent · pay $0 · grants $20,000 · events $0
| Line | As described | Total | Share |
|---|---|---|---|
| Contributions, gifts, grants paid | $20,000 | 59.6% | |
| Other expenses | $13,575 | 40.4% | |
| Total | $33,575 | 100% |
Comments