The William & Sylvia Silberstein
This organization is a private foundation dedicated to supporting a variety of charitable causes. Its mission centers on providing general support to health-related charities, educational institutions, and community service initiatives. The foundation has a strong focus on health charities, including organizations like the American Heart Association and the Cystic Fibrosis Foundation, as well as educational nonprofits such as Dartmouth College and Rye Country Day School. Additionally, it supports Jewish organizations and animal welfare groups, reflecting a commitment to diverse community needs. The foundation primarily serves recipients across multiple states, with a notable concentration in New York.
Source: Zeffy Agent · Mar 2026
Ideal Applicant
Established charitable organizations with programs in health, hospitals, education, Jewish community causes, animal welfare, or local community services, preferably with a New York connection or trustee referral.
Good Fit
- • Organization operates in New York or the Northeast and can document local impact.
- • Mission aligns with health, hospitals, Jewish organizations, education, food banks, or animal welfare.
- • Seeks general operating support or unrestricted funding at the grant sizes observed ($5k–$125k range).
- • Has an existing relationship, board-level contact, or introduction from a current grantee or trustee.
Geography
Grants in the latest year went to recipients in 13 states, showing a multi-state footprint, though 57% of dollars were concentrated in one state.
Recipient Variety
The latest year shows 45 distinct recipients across a range of sectors (health, education, Jewish organizations, animal welfare and community services), with 30 recurring grantees and 15 newcomers.
New Applicants
The foundation declares it funds only preselected applicants and no public submission route is visible; although 15 new recipients appeared in the latest year, entry appears to occur by invitation or referral rather than open application.
Source: Zeffy Agent · Mar 2026
