International Association of Machinists & Aerospace Workers
Revenue
$1.9m
year to 31 December 2025
Expenses
$1.8m
year to 31 December 2025
Total assets
$1.2m
$0 liabilities
Net assets
$1.2m
assets less liabilities
Directors and trustees
5
3.2 years on average
Staff
10
employees, year to 31 December 2025
Left since last filing
0
no seats appear to have opened
Officers and senior staff
18
named in Part VII
International Association of Machinists & Aerospace Workers' network
5 people2 organisationsi5 people and 2 organisations on this map.The large node is the subject of this page. Solid lines are what the register itself records (5). Violet dotted lines (2) are likely: the same full name sits on the current board of another organisation in the same register and region. Form 990 filings give names without a person identifier; SEC insider filings carry a CIK. It may be a different person.The board
5 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 in the tables. The network map shows same-name matches as likely links only, never as confirmed.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 7 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 |
|---|---|---|---|
| Alex Hoekstra | Directing Business Representative | 2020 | 6 yrs |
| Donald Aiello (also filed as Don Aiello) | Trustee | 2024 | 2 yrs |
| Eric Dahm | Trustee | 2024 | 2 yrs |
| Glenn Kurpiel | Trustee | 2024 | 2 yrs |
| Robert Webb | Trustee | 2024 | 2 yrs |
Under 5 years5 to 6 years6 years or more
Officers and senior leadership
18 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 |
|---|---|---|
| Anne Wiberg | Organizer | 2022 |
| Bonnie Polster | Trustee | 2020 |
| Brandon Mortenson | Business Representative | since 2020 |
| David Michaelowski | President | since 2020 |
| Diann Fechter | Business Representative | since 2020 |
| Gregory Pursell | Business Representative | since 2020 |
| Hunter Scott | Trustee | since 2020 |
| Ivan Collins | Secretary Treasurer | since 2020 |
| Jeremy Terlisner | Business Representative | since 2020 |
| Joe Skonieczny | Trustee | 2020 |
| Joseph Bronson | Conductor Sentinel | since 2020 |
| Joseph E Terlisner | Business Representative | since 2020 |
| Justin Bader | Business Representative | since 2022 |
| Nicholas Bednarek | Business Representative | since 2023 |
| Philip Bauza | Vice President | since 2020 |
| Scott E Parr | Asst Dir Bus Representative | 2020 |
| Scott Hunter | Business Representative | 2022 |
| Todd Humleker | Business Representative | since 2020 |
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 |
|---|---|---|---|---|---|
| Alex Hoekstra | Directing Business Representative | 50 | $154k | ||
| Joseph Terlisner | Assistant Directing Business Representative | 50 | $148k | ||
| Todd Humleker | Business Representative | 50 | $144k | ||
| Jeremy Terlisner | Business Representative | 50 | $144k | ||
| Hunter Scott | Business Representative | 50 | $144k | ||
| Justin Bader | Business Representative | 50 | $144k | ||
| David L Dietrich | Secretary Treasurer | 5 | $5k | ||
| Eric Dahm | Trustee | 2 | $0 | ||
| Don Aiello | Trustee | 0 | $0 | ||
| Robert Webb | Trustee | 0 | $0 | ||
| Philip Bauza | Vice President | 0 | $0 | ||
| David Michaelowski | President | 0 | $0 | ||
| Daniel D Rodriguez | Conductor Sentinel | 2 | $0 |
About
- Legal name
- International Association of Machinists & Aerospace Workers
- EIN
- 390367705
- Address
- 107 Warren Street 2, Beaver Dam, WI, 53916-3031
- State
- Wisconsin
- Mission
- Working for the Betterment of Wages, Hours, and Working Conditions of Represented Members (as filed on the Form 990)
- Activity (NTEE)
- J40 Employment
- IRS classification
- 501(c)05 (tax-exempt under section 501(c)(3) where shown)
- Classified purpose
- Employment
- Size band
- 6 (IRS master file code)
- Formed
- 1893
- Principal officer
- David Dietrich (as named on the Form 990)
- IRS ruling date
- 1 December 1940
- Status
- Code 01 (unconditional exemption)
- Form 990 filings on record
- 5, latest 2024
Most connected
Longest observed on the filings
≥6years on the filingsAlex Hoekstra
≥2years on the filingsDonald Aiello
≥2years on the filingsEric Dahm
≥2years on the filingsGlenn Kurpiel
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
- $1.2m
- Total liabilities
- $0
- Net assets or fund balances
- $1.2m
- Contributions and grants received
- $354k
- Program service revenue
- $1.5m
- Employees
- 10
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 | $2.1m | $2.1m | Deficit $50k |
As filed on the IRS Form 990. US dollars.