The JS Mack Foundation
Preselected recipients only
The JS Mack Foundation is a private foundation in Indiana, Pennsylvania. In tax year 2025 it gave $65,750 in 9 grants; the typical grant was $10,000 and the largest $10,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$65,750
- Number of grants9
- Typical grant$10,000
- Largest grant$10,000
- Assets$4.6 million
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $0 | 0 | $4.5 million |
| 2024 | $0 | 0 | $5.8 million |
| 2025 | $65,750 | 9 | $4.6 million |
How to apply
The JS Mack Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The JS Mack Foundation funds
Where it gives
All of its grants went to recipients in Pennsylvania.
| State | Grants | Amount |
|---|---|---|
| Pennsylvania | 9 | $65,750 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Salvation Army | Assistance with family programming in indiana county | $10,000 |
| Indiana Healthcare Foundation | Cancer care fund, high school summer internships | $10,000 |
| YMCA of Indiana County | Healthy family programming within indiana county | $10,000 |
| Indiana Fire Association | Assistance with fire department fundraising for mission of protection of indiana county residents from structure fires | $10,000 |
| Concordia Vna | Patient and family assistance with care of homebound individuals in indiana county | $10,000 |
| Family Promise of Indiana County | Support of homeless families in indiana county | $5,500 |
| Iccap | Support of food pantry for indiana county residents including school aged children | $5,000 |
| The Care Center of Indiana Pa | Support of family programs run by the care center to support abused, neglected and at-risk children in indiana county | $5,000 |
| Graystone Evangelical Presbyterian Church | Support of church programs that benefit indiana county members and recipients | $250 |
Officers and trustees
- Jonathan Mack
- Gregory Holsinger
- David Moore
- Mike Clark
Questions people ask
Does The JS Mack Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The JS Mack Foundation give?
$65,750 in tax year 2025, across 9 grants, with a typical grant of $10,000.
Who runs The JS Mack Foundation?
Its 2025 filing lists Jonathan Mack (President), Gregory Holsinger (Sec/Treas), David Moore (Trustee) and Mike Clark (Trustee).
What does The JS Mack Foundation fund?
Based on its grants, mainly health, human services and education.