Arizona · Nonprofit
BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED
BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED (Arizona) receives grants from 42 organizations whose IRS filings report $3,955,825 to it, the largest being BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER ($1,083,250). 29 of them have funded it in more than one year.
- Revenue FY2024
- $1.7M
- Funders on record
- 42
- Grants received
- $4.0M
- Net assets
- $3.3M
What Big Brothers Big Sisters of Southern Arizona Incorporated does
Mission
The mission of big brothers big sisters of southern arizona is to create and support one-to-one mentoring relationships that ignite the power and promise of youth.
As stated on its FY2024 Form 990.
Program
Big brothers big sisters of southern arizona created and supported one-to-one mentoring relationships for 400 plus at-risk youth in 2024. Support of the mentoring relationship was provided through volunteer, parent and child orientations and trainings, monthly and quarterly case management to ensure each child has positive outcomes as a result of the one-to-one mentoring relationship. Youth matched in the bbbs program report improvements in their grades, improved attitiude toward school, and better relationships with their parents and peers. The big brothers big sisters program has a best practices prevention program designation from the office of juvenile justice and delinquency prevention.
$1,023,585 spent100% of program spending
The program described on its FY2024 Form 990. Program spending in total: $1,023,585.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2022 to 2023, from $2.7M to $3.6M (+36%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2017 2% · 2018 10% · 2019 10% · 2020 12% · 2021 25% · 2022 20% · 2023 9% · 2024 21%. Grants only. Government contracts and fees sit inside program revenue.
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 4 of the last 8 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Chief executive
Marie Logan
CEO
Board chair
Rebecca Crane
Chair
As listed on its FY2024 Form 990.
Who funds it, year by year
2017 → 2023: the base broadened from 15 funders to 18 funders, grant income rose $278k → $637k.
7 of 42 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 19% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED’s funders (the co-funder graph). Top 30 of 42 funders by total. Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED has a broad base — no single funder exceeds 27% of grant income, and it takes 3 funders to reach half.
the vertical line marks half of all grant income — 3 funders to its left
82% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED.
Largest funder’s share by year: 2017 38% · 2018 29% · 2019 23% · 2020 25% · 2021 32% · 2022 23% · 2023 36% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How long its funders stay
62% of BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED's funders are still giving 3 years after their first grant; 69% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
52% of BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED's grant income comes from Arizona funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $745k arriving through sponsors registered in 5 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Organizations like BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Arizona
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
79% of spending goes to programs.
Governance
Public support
83%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Part of a family of 1 related entity
- Bbbs Tucson Donation Center · exempt
Screen this organization
A dated, signed PDF of the compliance screen for BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED?
- BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED (Arizona) receives grants from 42 organizations whose IRS filings report $3,955,825 to it, the largest being BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER ($1,083,250). 29 of them have funded it in more than one year.
- How many funders does BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED have?
- IRS filings report 42 organizations giving $3,955,825 in grants to BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED, 29 of which have funded it in more than one year.
- Who is the largest funder of BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED?
- BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER is the largest funder on record, with $1,083,250 in grants. The full list of funders is on this page.
- How can an organization like BIG BROTHERS BIG SISTERS OF SOUTHERN ARIZONA INCORPORATED find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Arizona. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Big Brothers Big Sisters of Southern Arizona →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2017–2024), and the filings of 42 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing