Also known as: C/O JAMES RATHMANN
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Rathmann Family Foundation is a private corporation based in NAPLES, FL. The foundation received its IRS ruling in 1992. The principal officer is James Rathmann. It holds total assets of $37M. Annual income is reported at $5.1M. The foundation is governed by 4 officers and trustees. Tax records are available from 2018 to 2023. Grantmaking is concentrated in United States. According to available records, Rathmann Family Foundation has made 61 grants totaling $7.7M, with a median grant of $50K. Annual giving has grown from $1.3M in 2020 to $2M in 2023. Grantmaking activity was highest in 2022 with $4.3M distributed across 32 grants. Individual grants have ranged from $10K to $834K, with an average award of $126K. The foundation has supported 16 unique organizations. The foundation primarily supports organizations in District of Columbia, Massachusetts, New York, which account for 51% of all grants. Grantmaking reaches organizations across 10 states. Contributions to this foundation are tax-deductible.
The Rathmann Family Foundation operates as a tightly held, family-governed private foundation where virtually all grant relationships are initiated by the foundation itself, not by applicants. Led by President James Louis Rathmann, Chairperson Alexandra Rathmann-Noonan, Secretary Robin W. Rathmann-Noonan, and Treasurer Andrew G. Rathmann-Noonan, this Naples, Florida-based funder carries the legacy of biotech visionary George Rathmann (1927–2012), who co-founded Amgen and ICOS Corporation. That entrepreneurial scientific heritage directly shapes giving priorities: the foundation funds organizations operating at the intersection of science education, environmental conservation, social innovation, and the arts.
The single most critical fact for prospective applicants: the foundation does not accept unsolicited proposals. This is stated plainly on the website and reiterated in the FAQ. The only documented pathway for unsolicited entry has been the Rathmann Challenge, a competitive grant program offered through the Rathmann Innovation Center in 2015 (education focus) and 2017 (environment focus). As of May 2026, no new Challenge cycle has been announced.
The grantee data reveals the foundation's true operating style: deep, multi-year commitments to a small set of vetted organizations. Top recipients — Buzzards Bay Coalition ($1.725M over 6 grants), National Science and Technology Medals Foundation ($3.227M over 5 grants), and African Parks Foundation of America ($700,000 over 4 grants) — reflect relationships cultivated over 4–6 years, not one-time transactions. The foundation clearly values continuity and deepening impact with trusted partners over breadth.
First-time applicants have three viable entry points. First, subscribe to the Rathmann Innovation Center newsletter at rathmannfamilyfoundation.org to receive alerts about future competitive cycles. Second, build authentic connections within the existing grantee ecosystem — particularly through the Massachusetts, Rhode Island, Florida, and New York networks where the family's relationships concentrate. Third, send a concise introductory letter to inquiry@rathmannfamilyfoundation.org framing organizational mission in terms of innovation, measurable impact, and alignment with science, environment, or social equity. No formal response timeline should be expected, and patience is required. This is a foundation that chooses its partners deliberately and rewards long-term relationship cultivation over transactional outreach.
The Rathmann Family Foundation maintains a relatively consistent annual giving baseline, with charitable disbursements ranging from $1.06M (2019) to $2.22M (2024) in normal years. The three-year average from 2022–2024 is approximately $2.15M per year, representing a meaningful increase from the 2019–2021 average of ~$1.3M. One exceptional outlier was 2018, when disbursements reached $11.98M — likely reflecting a major programmatic push tied to the Rathmann Challenge or a one-time endowment distribution. With total assets of approximately $33.1M (2024), the foundation maintains a payout rate of roughly 6–7% in normal operating years, above the 5% minimum required of private foundations.
The foundation's own profile data indicates a typical grant size of $10,000–$575,000, with a median of $45,000 and an average of $96,071. This spread reflects both relationship-maintenance grants (New Bedford Light at $15,000 for environmental journalism) and major multi-year anchor commitments (National Science and Technology Medals Foundation at an average of $645,400 per grant over 5 disbursements).
By program area, environmental conservation commands the largest total dollars: Buzzards Bay Coalition alone ($1.725M) and Audubon Society ($225,000) together with African Parks Foundation ($700,000) represent over $2.6M in documented giving. Science and technology education is the second pillar, anchored by the $3.227M commitment to the National Science and Technology Medals Foundation. Higher education giving flows primarily to elite liberal arts and research institutions: Trinity College ($290,000), Haverford College ($170,000), Brown University ($130,500), and Duke University ($100,000). Social equity and legal services — Center for Heirs ($195,000), Volunteers of Legal Service ($170,000), and Huerta del Valle ($400,000 in general operating support) — represent a meaningful third stream that is sometimes overlooked in summaries of this foundation.
Geographically, Massachusetts accounts for 18 recorded grants — the single largest state concentration — reflecting the family's documented ties to the Westport, MA area. California (9 grants), New York (8), DC (5), Florida (4), Rhode Island (4), Connecticut (4), and South Carolina (4) complete the portfolio. All grants are domestic; the African Parks Foundation grants, while supporting international conservation work, flow through a U.S.-registered entity.
The following comparison is constructed from publicly available records for foundations with comparable mission profiles. The Rathmann data bundle did not include formally identified peers; foundations below were selected by the report author based on asset scale, mission alignment, and giving structure.
| Foundation | Assets | Annual Giving | Primary Focus | Application |
|---|---|---|---|---|
| Rathmann Family Foundation | ~$33M | ~$2.2M | Science / Environment / Education | By invitation only |
| The Scherman Foundation | ~$50M | ~$2.5M | Environment / Civil Rights / Arts | By invitation |
| Park Foundation | ~$100M | ~$5M | Environment / Media / Education | By invitation |
| Community Foundation of Collier County | ~$150M | ~$10M | Naples FL Community Needs | Open / Competitive |
The Rathmann Family Foundation occupies a mid-size niche in the family foundation landscape. Its assets are comparable to The Scherman Foundation, but Rathmann's portfolio is geographically tighter and operationally more opaque — no published grantmaking calendar, no open RFP cycles, and no publicly listed deadlines. This sharply limits traditional prospecting approaches.
Compared to the Park Foundation, which funds similar thematic areas (environment, media, education) with a more accessible structure, Rathmann's per-grant averages ($96,071 average, $45,000 median) are smaller but the multi-year commitment depth is comparable. The Park Foundation publishes letters of inquiry guidelines; Rathmann does not.
For Florida-based organizations, the Community Foundation of Collier County offers open, competitive grant cycles in the Naples area and may serve as a more accessible first step to building credibility before pursuing the Rathmann relationship. Science and environment-focused national organizations, however, have no obvious substitute for the Rathmann partnership given the foundation's specific heritage and programmatic values.
No major public announcements, program launches, or press releases from the Rathmann Family Foundation were identified for 2025 or 2026 through web research conducted in May 2026. The foundation maintains a minimal public media presence consistent with its by-invitation operating model and family governance structure.
The most recent documented financial activity from ProPublica IRS filings confirms a stable and modestly growing giving trajectory: - 2024: $2,217,622 in charitable disbursements (total assets: $33,099,589) - 2023: $2,071,809 - 2022: $2,174,849
This three-year average of ~$2.15M represents a roughly 50% increase from the 2019–2021 average of ~$1.3M, suggesting either a deliberate expansion of grantmaking or catch-up giving following the COVID-era contraction.
Leadership structure appears unchanged: James Louis Rathmann continues as President, with the Rathmann-Noonan family members — Alexandra (Chairperson), Robin (Secretary), and Andrew (Treasurer) — serving without compensation. No officer compensation has been recorded in recent filings, confirming the family-run volunteer governance model.
The foundation's most notable historical public recognition is the naming of the Joy and George Rathmann Hall of Science at The Franklin Institute, a Philadelphia science museum, honoring the foundation's namesake. No new naming or capital campaign announcements have been made publicly. The last known competitive grant program, the 2017 Rathmann Challenge (environment focus), remains the most recent documented open-cycle activity; no successor cycle has been announced as of this report's publication date.
Given the foundation's explicitly invitation-only stance, effective engagement requires a different playbook than standard grant prospecting. The following tips are specific to Rathmann's documented practices and preferences.
Subscribe before the announcement window opens. The Rathmann Innovation Center newsletter is the only officially endorsed alert channel for new competitive grant cycles. Organizations that are already subscribed and have prepared materials when the next Challenge is announced will have a meaningful advantage over those scrambling to learn the requirements in real time.
Prepare the 'Even Bigger Idea®' now. Both Rathmann Challenge cycles (2015 and 2017) required applicants to articulate their most ambitious future vision alongside a self-evaluation of past accomplishments. This is not a standard grant narrative — it demands genuine intellectual ambition and entrepreneurial framing. Organizations should draft and refine this concept paper in advance, treating it as an internal strategy exercise whether or not a Challenge is active.
Mirror the foundation's language and values. The foundation was built on the legacy of George Rathmann's biotech entrepreneurship. Language that resonates includes: "innovation," "forward-thinking ideas," "leverage passion," "desire, skill, and energy to make a difference." Avoid bureaucratic, deficit-framing, or needs-based language. Frame your work as a high-performing solution, not a gap to be filled.
Match the eligibility floor precisely. The 2017 Challenge required 501(c)(3) public charity status, a minimum annual operating budget of $100,000, and operations in at least one U.S. state or D.C. Ensure current-year Form 990 and audited financials are in order before submitting any inquiry.
Leverage geography strategically. The portfolio is heavily concentrated in Westport and South Coast Massachusetts (18 grants), Florida (Naples/Corkscrew Swamp), and the urban Northeast. Organizations with programs or leadership presence in these communities should name that connection explicitly in any introductory outreach.
Use the inquiry email, not the phone. inquiry@rathmannfamilyfoundation.org is the designated channel. A brief, well-crafted 250-word introductory email — focusing on a specific innovation, a measurable outcome, and a clear mission alignment — is far more appropriate than a cold call.
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Smallest Grant
$10K
Median Grant
$45K
Average Grant
$96K
Largest Grant
$575K
Based on 14 grants from the most recent 990-PF filing.
No program descriptions are available for this foundation. Many private foundations report program activities in their annual 990-PF filings — check the Tax Filings section below for the most recent filing.
The Rathmann Family Foundation maintains a relatively consistent annual giving baseline, with charitable disbursements ranging from $1.06M (2019) to $2.22M (2024) in normal years. The three-year average from 2022–2024 is approximately $2.15M per year, representing a meaningful increase from the 2019–2021 average of ~$1.3M. One exceptional outlier was 2018, when disbursements reached $11.98M — likely reflecting a major programmatic push tied to the Rathmann Challenge or a one-time endowment distr.
Rathmann Family Foundation has distributed a total of $7.7M across 61 grants. The median grant size is $50K, with an average of $126K. Individual grants have ranged from $10K to $834K.
The Rathmann Family Foundation operates as a tightly held, family-governed private foundation where virtually all grant relationships are initiated by the foundation itself, not by applicants. Led by President James Louis Rathmann, Chairperson Alexandra Rathmann-Noonan, Secretary Robin W. Rathmann-Noonan, and Treasurer Andrew G. Rathmann-Noonan, this Naples, Florida-based funder carries the legacy of biotech visionary George Rathmann (1927–2012), who co-founded Amgen and ICOS Corporation. That e.
Rathmann Family Foundation is headquartered in NAPLES, FL. While based in FL, the foundation distributes grants to organizations across 10 states.
| Name | Title | Compensation | Benefits | Total |
|---|---|---|---|---|
| Andrew G Rathmann-Noonan Director | TREASURER | $0 | $0 | N/A |
| Alexandra Rathmann-Noonan Director | CHAIRPERSON | $0 | $0 | N/A |
| James Louis Rathmann Director | PRESIDENT | $0 | $0 | N/A |
| Robin W Rathmann-Noonan Director | SECRETARY | $0 | $0 | N/A |
Total Giving
$1.3M
Total Assets
$33.3M
Fair Market Value
$33.3M
Net Worth
$29.4M
Grants Paid
$1.1M
Contributions
N/A
Net Investment Income
$660K
Distribution Amount
$1.5M
Total: $27.8M
Total Grants
61
Total Giving
$7.7M
Average Grant
$126K
Median Grant
$50K
Unique Recipients
16
Most Common Grant
$25K
of 2023 grantees were first-time recipients
| Recipient | Location | Amount | Year |
|---|---|---|---|
| Brown UniversitySCHOLARSHIP FUND/ANNUAL FUND | Providence, RI | $34K | 2023 |
| National Science And TechnologyGENERAL OPERATING ACTIVITIES | Washington, DC | $834K | 2023 |
| Buzzards Bay Coalition IncGOOSEBERRY CAUSEWAY | New Bedford, MA | $500K | 2023 |
| African Parks Foundation Of AmericaGENERAL OPERATING ACTIVITIES | New York, NY | $175K | 2023 |
| Huerta Del ValleGENERAL OPERATING ACTIVITIES | Ontario, CA | $100K | 2023 |
| Center For HeirsGENERAL OPERATING ACTIVITIES | Charleston, SC | $75K | 2023 |
| National Audubon Society IncCORKSCREW SWAMP REHABILITATION | Anaheim, CA | $50K | 2023 |
| Volunteers Of Legal ServiceIMMIGRATION PROJECT GEN SUPPORT | New York, NY | $50K | 2023 |
| Gnome IncGENERAL OPERATING ACTIVITIES | Fall River, MA | $35K | 2023 |
| Trustees Of Trinity CollegeSTUDENT EMERGENCY & EQUITY FUND | Hartford, CT | $30K | 2023 |
| Dharma Voyage IncGENERAL OPERATING ACTIVITIES | Westport, MA | $25K | 2023 |
| Artis - Naples IncGENERAL OPERATING ACTIVITIES | Naples, FL | $25K | 2023 |
| Westport Historical SocietyGENERAL OPERATING ACTIVITIES | Westport, MA | $15K | 2023 |
| New Bedford LightLOCAL ENVIRONMENTAL JOURNALISM | New Bedford, MA | $15K | 2023 |
| Corporation Of Haverford CollegeGENERAL OPERATING ACTIVITIES | Haverford, PA | $60K | 2022 |
| Duke UniversityALLIANCE FOR IDENTITY-INCLUSIVE COMP | Durham, NC | $50K | 2022 |