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Great Mountain Forest Corporation is a private corporation based in NORFOLK, CT. The foundation received its IRS ruling in 1964. The principal officer is S W Childs Management Corporation. It holds total assets of $13.4M. Annual income is reported at $2.5M. Total assets have grown from $9.4M in 2010 to $13.4M in 2024. The foundation is governed by 18 officers and trustees. Tax records are available from 2016 to 2024. Contributions to this foundation are tax-deductible.
Great Mountain Forest Corporation (GMF) is not, in practice, a grantmaking foundation that outside nonprofits should approach for funding. Despite carrying the NTEE code T20 (Philanthropy & Grantmaking) and $13.4M in assets, its IRS Form 990 filings report $0 in grants paid to external organizations in every year on record from 2012 through 2024. GMF is a private operating foundation: it spends its own income (an average of roughly $580,000 per year across the last five reported years) directly on managing its 6,000+-acre forest in Norfolk, CT, maintaining the Yale Forestry Camp used continuously by Yale School of the Environment since 1941, running a National Weather Service station since 1932, and operating a small, competitive summer internship program. First-time applicants should abandon the standard LOI-to-full-proposal-to-site-visit model entirely — there is no evidence of a public RFP, application form, or funding cycle for outside grant seekers, and none of GMF's public materials (donate page, newsletters, mission page) reference a grants-to-others program. The organization's giving philosophy, to the extent one exists, is inward-facing: it funds its own stewardship, education, and research programs, largely from net investment income (which ranged $195K-$505K annually 2019-2023) and modest annual contributions ($185K-$375K). The one legitimate access point for outside individuals is the internship program, which selects 2-3 college students per year majoring in forestry or environmental science for hands-on field work under Forester Emeritus Jody Bronson — inquiries go through info@greatmountainforest.org or (860) 824-8188. For mission-aligned organizations (land trusts, forestry nonprofits, environmental-education programs), the more realistic engagement path is collaboration rather than solicitation: GMF itself competes for and receives government conservation grants (its 2025 pre-commercial thinning project was funded by a Connecticut Land Conservation Council / CT Dept. of Agriculture Climate Smart Land Stewardship grant), so organizations working in adjacent forestry, climate-resilience, or K-12 environmental-education space may find traction proposing a joint state or federal grant application, an educator-retreat partnership, or a research collaboration rather than requesting a direct gift.
GMF's financials describe an organization that spends on itself, not one that distributes grants — there is no median grant size or grant range to report because grants_paid has been $0 in every fiscal year on file (2012-2024). What the 990 data labels 'total giving' is actually program service expenditure: management of forest and wildlife resources ($488,597 in the FY2021 filing), Yale Forestry Camp maintenance and researcher outreach ($13,365), and the GMF internship program ($46,558), totaling roughly $548,500 that year. Program spending has grown steadily alongside the endowment: from $380,274 in FY2012 to $473,488 (FY2013), $509,274 (FY2014), $541,948 (FY2018), $618,376 (FY2019), $629,346 (FY2020), $726,155 (FY2021), a dip to $594,853 (FY2022), and back up to $773,012 in FY2023 — roughly a 103% increase over eleven years. Total assets grew in parallel, from $9.27M (FY2012) to $13.44M (FY2024), a 45% increase, with FY2018 showing an unusual revenue spike to $3.9M (likely a one-time bequest or capital contribution, versus $535K-$963K in adjacent years). Net investment income has been the largest revenue driver in most years ($354K-$505K, 2020-2023), roughly matching or exceeding annual contributions received ($185K-$375K), meaning GMF's spending capacity is driven more by endowment performance than fundraising. Officer/ED compensation has been volatile — $105,000 (2020), dropping to $19,231 for an interim ED in 2023 — reflecting at least two leadership transitions in the last five years (Tamara Muruetagoiena's departure, Heather Thomson's interim stint from January 2023, and an apparent further transition to current ED Mike Zarfos not yet reflected in the filed 990s). Geographically, 100% of program spending is concentrated on the single Norfolk, CT property; there is no evidence of grantmaking or programming outside that footprint.
GMF sits in a peer set of similarly asset-sized organizations (all roughly $13.4-13.45M in total assets) classified under the same Philanthropy & Grantmaking NTEE category, though the comparison mostly underscores how atypical GMF is for that category.
| Foundation | Assets | Annual Giving | Primary Focus | Application |
|---|---|---|---|---|
| Great Mountain Forest Corp. (CT) | $13.44M | ~$773K (FY2023, self-operated programs; $0 external grants) | Forest/wildlife stewardship, environmental education | Not applicable — no external grants program |
| Gregory And EJ Milken Foundation (CA) | $13.44M | Not publicly disclosed | Philanthropy & Grantmaking (general) | No public website found |
| Newcity Foundation (VA) | $13.44M | Not publicly disclosed | Philanthropy & Grantmaking (general) | No public website found |
| Kauffmann Family Foundation Inc. (GA) | $13.45M | Not publicly disclosed | Philanthropy & Grantmaking (general) | No public website found |
| Caputo Foundation Inc. (DE) | $13.44M | Not publicly disclosed | Philanthropy & Grantmaking (general) | No public website found |
| Lafayette River Foundation (VA) | $13.45M | Not publicly disclosed | Philanthropy & Grantmaking (general) | No public website found |
None of the five listed peers have a public website in the underlying data, which is consistent with them being small, closed-door family foundations that grant by invitation only. GMF is the outlier in the group in the opposite direction: it is fully public-facing (active website, newsletters, public programs, published 990s) but structurally is not a grantmaker at all — it is an operating land-conservation nonprofit that happens to be classified alongside grantmaking peers. Grant seekers evaluating this peer set should not expect an open application process from any of these six organizations, but for different reasons: the five peers are likely closed by preference, while GMF simply has no external grants function to apply to.
GMF's most significant recent programmatic news is the 2025 launch of a pre-commercial thinning (PCT) initiative across three ~20-year-old forest stands, funded by a Connecticut Land Conservation Council Climate Smart Land Stewardship grant administered with the CT Department of Agriculture (covered on GMF's own site in a September 2025 article, 'Future Forests in the Making: Climate-Smart Thinning at Great Mountain Forest,' and picked up by local outlet janetserra.com around September 16, 2025). The project targets climate- and disease-resilient tree cohorts amid American Beech disease pressure, and notably used 2025 summer interns to mark trees for removal versus retention — a direct link between GMF's internship program and its live conservation grant work. On the leadership front, GMF's public staff and board pages currently list Executive Director Mike Zarfos and Board Chair/Treasurer Dalton Dwyer, which differs from the most recent 990 data on file (Executive Director Tamara Muruetagoiena, interim ED Heather Thomson from January 2023, Board Chair John Perkins from May 2023) — indicating at least one additional leadership transition has occurred since GMF's last filed return that has not yet been reflected in public tax data. The board continues to include multiple Childs family members (Anne C. Childs, Edward Calder Childs, Starling W. Childs) explicitly designated as founding-family trustees, underscoring continuity of family governance since the organization's 1909 founding by Frederic C. Walcott and Starling W. Childs. On the fundraising side, GMF is currently running a 'Northwest Corner Gives' matching-gift campaign (processed via Qgiv) framed around expanding access to forest experiences for students, teachers, forest owners, and visitors. Upcoming public programming includes an August 2026 Writing Retreat (Aug 7-9, themed on nature writer Hal Borland) and a 'Teach the Teachers' forestry-education retreat for K-12 educators (Aug 14-16, 2026), both consistent with GMF's expanding education and donor-cultivation focus alongside its core stewardship mission.
The most important tip is a caution: do not submit a standard grant proposal, LOI, or funding request to Great Mountain Forest Corporation expecting it to be reviewed as a grant application — its IRS filings show $0 in grants paid to outside organizations in every year from 2012 through 2024, and none of its public materials describe an external grants program, RFP, or application deadline. Organizations that reach out cold asking 'how do we apply for a GMF grant' are very likely to get no response, because there is no review process on the other end to route the request to. That said, there are three legitimate, funder-adjacent ways to engage. First, the summer internship program is real and competitive: it selects only 2-3 college students per year (forestry or environmental science majors) for hands-on field work — road work, timber marking, chainsaw felling, sawmill work — mentored by Forester Emeritus Jody Bronson. There is no online application portal identified; the practical path is a direct, well-targeted email to info@greatmountainforest.org or a call to (860) 824-8188, ideally timed in the fall or winter before the following summer's season, referencing specific coursework or field experience. Second, for forestry, land-trust, or environmental-education organizations, the higher-value approach is proposing collaboration on a state or federal conservation grant where GMF is a co-applicant or partner rather than a funding source — GMF's own 2025 pre-commercial thinning work was funded through the Connecticut Land Conservation Council / CT Dept. of Agriculture Climate Smart Land Stewardship Grant Program, which is the kind of vehicle a partner organization could realistically co-apply to alongside GMF given its demonstrated track record winning that specific grant. Third, GMF's public education programming (K-12 Programs, Woodland Academy, the annual Writing Retreat, and the new Teach the Teachers educator retreat) represents a partnership and cross-promotion opportunity for aligned nonprofits, schools, or educator networks, even though it is not a funding relationship. Given the leadership discrepancy identified between GMF's website (current ED Mike Zarfos, Chair Dalton Dwyer) and its last filed 990 (Tamara Muruetagoiena, John Perkins), any organization pursuing outreach should verify current leadership directly by phone before addressing correspondence, since a name from a two-year-old tax filing may no longer be accurate.
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Management of forest and wildlife resources on foundation-owned property according to a forest stewardship plan approved by the State of Connecticut and the USDA Forest Service.
Expenses: $489K
Maintenance and upkeep of Yale Forestry Camp, and outreach through the hosting of researchers investigating the ecology of the forest.
Expenses: $13K
GMF Internship Program - four interns were employed during the year ended June 30, 2021.
Expenses: $47K
GMF's financials describe an organization that spends on itself, not one that distributes grants — there is no median grant size or grant range to report because grants_paid has been $0 in every fiscal year on file (2012-2024). What the 990 data labels 'total giving' is actually program service expenditure: management of forest and wildlife resources ($488,597 in the FY2021 filing), Yale Forestry Camp maintenance and researcher outreach ($13,365), and the GMF internship program ($46,558), totali.
Great Mountain Forest Corporation (GMF) is not, in practice, a grantmaking foundation that outside nonprofits should approach for funding. Despite carrying the NTEE code T20 (Philanthropy & Grantmaking) and $13.4M in assets, its IRS Form 990 filings report $0 in grants paid to external organizations in every year on record from 2012 through 2024. GMF is a private operating foundation: it spends its own income (an average of roughly $580,000 per year across the last five reported years) directly .
Great Mountain Forest Corporation is headquartered in NORFOLK, CT.
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| Name | Title | Compensation | Benefits | Total |
|---|---|---|---|---|
| Heather Thompson From Jan 2023 | Interim ExecDir | $19K | $0 | $19K |
| Eileen Fielding From Jan 2023 | Trustee | $0 | $0 | N/A |
| Edward Calder Childs | Trustee | $0 | $0 | N/A |
| Susan Caughman | Trustee | $0 | $0 | N/A |
| John Perkins From May 2023 | Chair | $0 | $0 | N/A |
| Elisabeth C Gill | Trustee | $0 | $0 | N/A |
| Anne C Childs | Trustee | $0 | $0 | N/A |
| John Perkins | Trustee | $0 | $0 | N/A |
| Susan Maceachron To May 2023 | Chair | $0 | $0 | N/A |
| Starling W Childs | Trustee | $0 | $0 | N/A |
| Jeremy Koch | Trustee | $0 | $0 | N/A |
| John Coston | Trustee | $0 | $0 | N/A |
| Heather Thomson To Jan 2023 | Vice-Chair | $0 | $0 | N/A |
| Barton Jones | Secretary | $0 | $0 | N/A |
| Jeffrey Ward | Trustee | $0 | $0 | N/A |
| Dalton Dwyer | Treasurer | $0 | $0 | N/A |
| Susan Maceachron From May 2023 | Trustee | $0 | $0 | N/A |
| John Coston From May 2023 | Vice-Chair | $0 | $0 | N/A |
Total Giving
N/A
Total Assets
$13.4M
Fair Market Value
N/A
Net Worth
$13.4M
Grants Paid
N/A
Contributions
N/A
Net Investment Income
N/A
Distribution Amount
N/A
No individual grant records are available. Visit the foundation's 990-PF filings below for detailed grantee information.