Harry and Beatrice Sley Foundation

EIN 23-6391020 · MD

Invitation only Typical grant ~$510 Funds in DC, MD, CA +4
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Giving Profile

In 2025, Harry and Beatrice Sley Foundation based in MD paid 26 grants totaling $61.8K to 26 organizations across 7 states. Individual grants ranged from $100 to $21.5K, with a median of $510. Its largest recipients included Giffords Law Center, Church of the Redeemer, and International Myeloma Foundation. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$108,005
Giving (latest yr)
$61,840
Filing year
2025
Itemized grants
26
Median grant
$510
Recipients
26
States reached
7
Officers/trustees
2
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • Giffords Law Center$21,500
  • Church of the Redeemer$10,000
  • International Myeloma Foundation$9,250
  • US Holocaust Memorial Museum$5,500
  • Washington Hebrew Congregation$3,900

Where grants went

  • District of Columbia$33,900 · 8 grants
  • Maryland$12,660 · 8 grants
  • California$10,410 · 4 grants
  • Virginia$2,450 · 3 grants
  • Pennsylvania$1,800 · 1 grant
  • Colorado$520 · 1 grant

Grants Paid (26)

Giffords Law Center
Washington DC, DC
General
$21,500
Church of the Redeemer
Gaithersburg, MD
General
$10,000
International Myeloma Foundation
Studio City, CA
General
$9,250
US Holocaust Memorial Museum
Washington DC, DC
General
$5,500
Washington Hebrew Congregation
Washington DC, DC
General
$3,900
Maccabi USA
Philadelphia, PA
General
$1,800
McLean Projects for the Arts
McLean, VA
General
$1,350
Arena Stage
Washington DC, DC
GEneral
$1,200
The Lab School
Washington DC, DC
General
$1,100
Imagination Stage
Bethseda, MD
General
$1,000
Manassas Ballet Theatre
Manassas, VA
General
$1,000
Har Shalom
Rancho Mirage, CA
General
$960

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FAQFrequently Asked Questions

No. Harry and Beatrice Sley Foundation does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.

In its most recent filing, Harry and Beatrice Sley Foundation reported 26 itemized grants totaling $61.8K. Individual grants ranged from $100 to $21.5K (median $510).

Recent recipients include Giffords Law Center, Church of the Redeemer, International Myeloma Foundation, among 26 organizations in total. The full grant list is on this page.

Harry and Beatrice Sley Foundation is a private foundation based in Maryland, per its IRS 990-PF filing.

Harry and Beatrice Sley Foundation gives by invitation only, so there is no open application. Officer and address details from its 990-PF are the best starting point for an introduction.

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