Lawrence a & Joan E Siff Foundation
EIN 421612889Total Given 2016–2023
$174K
104 grants · $22K avg/year
based on 8 yrs of IRS 990-PF records on file
<$100K/yr
micro funder
capacity
$250
typical micro grants · $179–$2K
grant size
46%
supporter · 22/48 multi-year
repeat
$165K
Assets (2023)
48
Distinct Recipients
Application Information
Accepts Unsolicited Proposals
No — Preselected Only
Phone
(508) 791-0901
Financial Trends
Giving Over Time
Total Assets Over Time
View financial data as table
| Year | Total Giving | Total Assets | Revenue | Grants |
|---|---|---|---|---|
| 2016 | $20K | $247K | $4K | 15 |
| 2017 | $14K | $276K | $33K | 15 |
| 2018 | $32K | $234K | $23K | 13 |
| 2020 | $37K | $216K | $11K | 12 |
| 2021 | $30K | $213K | $27K | 18 |
| 2022 | $30K | $155K | $7K | 21 |
| 2023 | $11K | $165K | $4K | 10 |
Grant Size Distribution
Based on 104 grants on record
Minimum
$50
25th Pctl
$179
Median
$250
Average
$2K
75th Pctl
$2K
Maximum
$15K
Geographic Distribution
Officers & Directors
SN
Stefan Nathanson
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
SN
Stefan Nathanson
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
SN
Stefan Nathanson
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
SN
Stefan Nathanson
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
SN
Stefan Nathanson
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
RS
Robert M Siff
2 yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
SN
Stefan Nathanson
7+ yrs
Trustee
LS
Lawrence a Siff
7+ yrs
Trustee
JS
Joan E Swartz-Siff
7+ yrs
Trustee
RS
Robert M Siff
2 yrs
Trustee
SS
Shirley S Siff
7+ yrs
Trustee
SN
Stefan Nathanson
7+ yrs
Trustee
Grants Awarded (104 total)
| Purpose | ||||
|---|---|---|---|---|
| Brown University | Providence, RI | $15,000 | GENERAL | 2020 |
| Brown University | Providence, RI | $15,000 | GENERAL | 2021 |
| Brown University | Providence, RI | $15,000 | GENERAL | 2022 |
| Brown University | Providence, RI | $15,000 | GENERAL | 2018 |
| Brown University | Providence, RI | $10,000 | GENERAL | 2016 |
| Temple Beth Avodah | Newton, MA | $8,600 | GENERAL | 2018 |
| Temple Beth Avodah | Newton, MA | $8,500 | GENERAL | 2020 |
| Franciscan Hospital for Children | Brighton, MA | $5,000 | GENERAL | 2020 |
| Franciscan Hospital for Children | Brighton, MA | $4,000 | GENERAL | 2021 |
| Temple Beth Avodah | Newton, MA | $4,000 | GENERAL | 2023 |
| Temple Beth Avodah | Newton, MA | $3,800 | GENERAL | 2022 |
| Temple Beth Avodah | Newton, MA | $3,600 | GENERAL | 2021 |
| Temple Beth Avodah | Newton, MA | $3,600 | GENERAL | 2017 |
| Temple Beth Avodah | Newton, MA | $3,400 | GENERAL | 2016 |
| Next for Autism | New York, NY | $3,000 | GENERAL | 2020 |
| Museum of Science | Boston, MA | $3,000 | GENERAL | 2023 |
| Next for Autism | New York, NY | $3,000 | GENERAL | 2017 |
| Franciscan Hospital for Children | Brighton, MA | $3,000 | GENERAL | 2022 |
| Museum of Science | Boston, MA | $3,000 | GENERAL | 2022 |
| Museum of Science | Boston, MA | $2,500 | GENERAL | 2020 |
| Museum of Science | Boston, MA | $2,500 | GENERAL | 2021 |
| Tufts University | Medford, MA | $2,500 | GENERAL | 2016 |
| Museum of Science | Boston, MA | $2,500 | GENERAL | 2018 |
| Franciscan Hospital for Children | Brighton, MA | $2,200 | GENERAL | 2017 |
| Two Ten International Footwear Foundation | Waltham, MA | $2,000 | GENERAL | 2017 |