Pacific Marine Mammal Center
LAGUNA BEACH, CA
$560KTax year 2024
Grant purpose
Contribution in furtherance of recipient's exempt purpose.
Foundation directory
Massen Greene Foundation C/O Tanya Vince Rothman Grants
Private foundation · EIN 33-0482555 · IRS 990-PF filings through tax year 2025
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
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Original filing text
Reported organization name: MASSEN GREENE FOUNDATION C/O TANYA VINCE ROTHMAN
Giving by tax year
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 9 | $745K |
| 2024 | 10 | $1.1M |
Where Massen Greene Foundation C/O Tanya Vince Rothman gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
California$1.8MHawaii$50K
Largest reported grants
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
Environmental Nature Center
NEWPORT BEACH, CA
$140KTax year 2025
Grant purpose
Contribution in furtherance of recipient's exempt purpose.
Laguna Canyon Foundation
LAGUNA BEACH, CA
$130KTax year 2025
Grant purpose
Contribution in furtherance of recipient's exempt purpose.
Pacific Marine Mammal Center
LAGUNA BEACH, CA
$115KTax year 2025
Grant purpose
Contribution in furtherance of recipient's exempt purpose.
Algalita Marine Research & Education
LONG BEACH, CA
$105KTax year 2025
Grant purpose
Contribution in furtherance of recipient's exempt purpose.
Showing 5 of the 19 largest grants (19 reported in all).
See all 19 grants from Massen Greene Foundation C/O Tanya Vince Rothman: sort and filter by purpose, state and year.
Create free accountAbout this data
Figures are aggregated from Massen Greene Foundation C/O Tanya Vince Rothman's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
Other foundations giving in California
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