Aronson Family Foundation
EIN 133693381
Possibly inactive.
Last 990-PF filing on record is from 2023
(3 years ago). This foundation may have filed its
final return or ceased operations — verify before investing time in an application.
Total Given 2016–2023
$2.3M
6 grants · $293K avg/year
based on 8 yrs of IRS 990-PF records on file
$100K+/yr
local funder
capacity
$342K
typical big bets · $240K–$558K
grant size
0%
transactional · single-year
repeat
$10.6M
Assets (2023)
6
Distinct Recipients
Application Information
Accepts Unsolicited Proposals
No — Preselected Only
Phone
(203) 255-2380
Financial Trends
Giving Over Time
Total Assets Over Time
View financial data as table
| Year | Total Giving | Total Assets | Revenue | Grants |
|---|---|---|---|---|
| 2016 | $208K | $10.8M | $99K | 1 |
| 2019 | N/A | $10.9M | $1.9M | N/A |
| 2020 | $496K | $10.4M | $162K | 2 |
| 2021 | $628K | $10.0M | $1.4M | 1 |
| 2022 | $676K | $10.2M | $2.5M | 1 |
| 2023 | $335K | $10.6M | $160K | 1 |
Grant Size Distribution
Based on 6 grants on record
Minimum
$146K
25th Pctl
$240K
Median
$342K
Average
$390K
75th Pctl
$558K
Maximum
$676K
Geographic Distribution
Officers & Directors
JP
Joan Poster
6+ yrs
Trustee
HB
Henry W Berinstein
6+ yrs
Trustee
MP
Meredith Poster
2 yrs
Trustee
CE
Cynthia Poster Eigen
2 yrs
Trustee
CE
Cynthia Poster Eigen
2 yrs
Trustee
JP
Joan Poster
6+ yrs
Trustee
MP
Meredith Poster
2 yrs
Trustee
D6
Dennis B Poster- Dec 62022
Trustee
HB
Henry W Berinstein
6+ yrs
Trustee
DP
Dennis B Poster
4 yrs
Trustee
JP
Joan Poster
6+ yrs
Trustee
HB
Henry W Berinstein
6+ yrs
Trustee
DP
Dennis B Poster
4 yrs
Trustee
HB
Henry W Berinstein
6+ yrs
Trustee
JP
Joan Poster
6+ yrs
Trustee
JP
Joan Poster
6+ yrs
Trustee
HB
Henry W Berinstein
6+ yrs
Trustee
DP
Dennis B Poster
4 yrs
Trustee
DP
Dennis B Poster
4 yrs
Trustee
HB
Henry W Berinstein
6+ yrs
Trustee
JP
Joan Poster
6+ yrs
Trustee
Grants Awarded (6 total)
| Purpose | ||||
|---|---|---|---|---|
| See Statement C | Westport, CT | $675,783 | SEE STATEMENT C | 2022 |
| See Statement F | Westport, CT | $627,500 | SEE STATEMENT F | 2021 |
| Ms Global Impact Funding Tr | Purchase, NY | $350,000 | FULFILLING AFF'S PHILANTHROPIC ENDEAVORS | 2020 |
| See Statement B | Westport, CT | $335,000 | SEE STATEMENT B | 2023 |
| See Attached Statement | lebanon, CT | $208,000 | SEE ATTACHED | 2016 |
| See Statement G | Westport, CT | $146,500 | SEE STATEMENT G | 2020 |