The David and Heidi Welch Foundation
EIN 943332166
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
$1.6M
50 grants · $194K avg/year
based on 8 yrs of IRS 990-PF records on file
$100K+/yr
local funder
capacity
$10K
typical small grants · $5K–$24K
grant size
42%
supporter · 11/26 multi-year
repeat
$47K
Assets (2023)
26
Distinct Recipients
Focus Areas
Application Information
Accepts Unsolicited Proposals
No — Preselected Only
Phone
(650) 321-0150
Financial Trends
Giving Over Time
Total Assets Over Time
View financial data as table
| Year | Total Giving | Total Assets | Revenue | Grants |
|---|---|---|---|---|
| 2016 | $182K | $1.4M | $91K | 9 |
| 2017 | $461K | $2.1M | $1.0M | 6 |
| 2018 | $436K | $644K | $-670K | 7 |
| 2020 | $60K | $759K | $42K | 8 |
| 2021 | $90K | $788K | $34K | 8 |
| 2022 | $100K | $367K | $31K | 6 |
| 2023 | $223K | $47K | $101K | 6 |
Grant Size Distribution
Based on 50 grants on record
Minimum
$4K
25th Pctl
$5K
Median
$10K
Average
$31K
75th Pctl
$24K
Maximum
$362K
Geographic Distribution
Officers & Directors
DW
David F Welch
Director and President
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
DW
David F Welch
Director and President
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
DW
David F Welch
Director and President
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
DW
David F Welch
Director and President
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
DW
David F Welch
Director and President
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
DW
David F Welch
Director and President
Leadership
DW
David F Welch
Director and President
Leadership
HW
Heidi a Welch
Director/Vice President/Secretary/Cfo
Leadership
Grants Awarded (50 total)
| Purpose | ||||
|---|---|---|---|---|
| Natural Resource Defense Council | New York, NY | $361,500 | SUPPORT ANTI-TOXIN PROGRAM | 2017 |
| Natural Resource Defense Council | New York, NY | $200,000 | SUPPORT ANTI-TOXIN PROGRAM | 2018 |
| Students First Foundation | Menlo Park, CA | $200,000 | LEGAL ADVOCACY FOR CHARTER SCHOOLS | 2018 |
| Nosterra Ventures | Atherton, CA | $108,428 | USE ENTREPRENEURIAL APPROACH TO HELP SOLVE SOCIETAL PROBLEMS | 2023 |
| Stanford University | Stanford, CA | $70,000 | HIGHER EDUCATION | 2016 |
| Caltech | Pasadena, CA | $60,000 | SUPPORT DECARBONIZATION STUDIES | 2023 |
| University of Delaware | Newark, DE | $58,874 | HIGHER EDUCATION | 2017 |
| Natural Resource Defense Council | New York, NY | $50,000 | SUPPORT ANTI-TOXIN PROGRAM | 2022 |
| Natural Resource Defense Council | New York, NY | $40,000 | SUPPORT ANTI-TOXIN PROGRAM | 2021 |
| Stanford University | Stanford, CA | $38,000 | SUPPORT FACULTY RESEARCH | 2023 |
| University of Delaware | Newark, DE | $35,000 | HIGHER EDUCATION | 2016 |
| Riekes Center | Menlo Park, CA | $26,500 | EDUCATION - MENTORING PROGRAM | 2016 |
| Stanford University | Stanford, CA | $25,000 | HIGHER EDUCATION | 2022 |
| Stanford University | Stanford, CA | $20,000 | HIGHER EDUCATION | 2017 |
| St Joseph Peruvian Mission Fund | Edmond, OK | $14,660 | FAMILY TO FAMILY SUPPORT PROGRAM | 2020 |
| St Joseph Peruvian Mission Fund | Edmond, OK | $13,050 | FAMILY TO FAMILY SUPPORT PROGRAM | 2018 |
| Cornell University | Ithaca, NY | $10,000 | HIGHER EDUCATION | 2020 |
| Cristo Rey Sj Jesuit High School | San Jose, CA | $10,000 | SECONDARY EDUCATION | 2020 |
| Boys and Girls Club of the Peninsula | Menlo Park, CA | $10,000 | EDUCATIONAL OPPORTUNITIES FOR CHILDREN | 2021 |
| Cristo Rey Sj Jesuit High School | San Jose, CA | $10,000 | SECONDARY EDUCATION | 2021 |
| The Ocean Foundation | Washington, DC | $10,000 | HELP TO SAVE WHALE BREEDING GROUND | 2021 |
| Calmatters | Sacramento, CA | $10,000 | PUBLIC POLICY | 2016 |
| Cristo Del Rey San Jose Hs | San Jose, CA | $10,000 | SECONDARY EDUCATION | 2016 |
| Natural Resource Defense Council | New York, NY | $10,000 | SUPPORT TOXIN PROGRAM | 2016 |
| Cornell University | Ithaca, NY | $10,000 | HIGHER EDUCATION | 2016 |