Tortoise Group
Donations deductibleRevenue
$87k
year to 31 December 2025
Expenses
$74k
year to 31 December 2025
Total assets
$122k
$7k liabilities
Net assets
$115k
assets less liabilities
Directors and trustees
3
6.1 years on average
Staff
4
130 volunteers
Left since last filing
0
no seats appear to have opened
Officers and senior staff
3
named in Part VII
Tortoise Group's network
3 peoplei3 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (3). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.The board
3 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Time served and departures are observed across annual filings. Observed time served is a lower bound - a member may have joined before the first year on record. The organisation reported 5 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.| Name | Role as filed | Since | On the board |
|---|---|---|---|
| Charles Born | Director | 2018 | 8 yrs |
| Dianne McLain | Director | 2019 | 7 yrs |
| Nathan Wood | Director | 2024 | 2 yrs |
Under 5 years5 to 6 years6 years or more
Officers and senior leadership
3 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.| Name | Title as filed | On the filings |
|---|---|---|
| Dianne McLain | Chairman | since 2021 |
| Kirsten Haas | Secretary/Treasurer | since 2021 |
| Laura Deitsch | Director | since 2021 |
Pay and hours
year to 31 December 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.| Name | Title as filed | Hours a week | Pay from the organisation | Related organisations | Other |
|---|---|---|---|---|---|
| Aerial West | Executive Director | 40 | $21k | $2k | |
| Sarah Mortimer | Executive Director | 40 | $16k | ||
| Charles Born | Adoption's Coordinator | 1 | $0 | ||
| Dianne McLain | Board Member | 1 | $0 | ||
| Todd Barnes | Board Member | 1 | $0 | ||
| Kirsten Haas | Secretary/Treasurer | 1 | $0 | ||
| Nathan Wood | Board Chairman and Volunteer Coordinator | 1 | $0 | ||
| Laura Deitsch | Board Chair | 1 | $0 |
About
- Legal name
- Tortoise Group
- EIN
- 942838299
- Address
- Po Box 33866, Las Vegas, NV, 89133-3866
- State
- Nevada
- Mission
- Wild tortoise conservation initiatives: Tortoise Group partners with several federal, state, and local agencies with the sole intent of conserving our state's reptile. Through partnerships with United States Geological Survey (USGS), the US Fish and Wildlife Service (USFWS), Nevada Dept of Wildlife (NDOW), and Clark County Desert Conservation Program (DCP), and many more, Tortoise Group is... (as filed on the Form 990)
- Activity (NTEE)
- C30 Environment
- IRS classification
- 501(c)03 (tax-exempt under section 501(c)(3) where shown)
- Classified purpose
- Environment
- Size band
- 4 (IRS master file code)
- Formed
- 1982
- Principal officer
- Nathan Wood (as named on the Form 990)
- IRS ruling date
- 1 August 1984
- Status
- Code 01 (unconditional exemption)
- Form 990 filings on record
- 7, latest 2024
- IRS Publication 78
- PC (contributions deductible)
Most connected
Longest observed on the filings
≥8years on the filingsCharles Born
≥7years on the filingsDianne McLain
≥2years on the filingsNathan Wood
Latest return
year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.- Total assets
- $122k
- Total liabilities
- $7k
- Net assets or fund balances
- $115k
- Contributions and grants received
- $85k
- Program service revenue
- $2k
- Employees
- 4
- Volunteers
- 130
Filed finances
1 yeariTotals as filed on the IRS Form 990 (revenue and expenses), by tax year.| Tax year | Total revenue | Total expenses | Surplus or deficit |
|---|---|---|---|
| 2024 | $110k | $140k | Deficit $30k |
As filed on the IRS Form 990. US dollars.