Nonprofit · EIN 23-7086868
WISCONSIN SOCIETY OF SCIENCE TEACHERS
Tax-exempt · GREEN BAY, WI 54311
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| July 31, 2025 | 990-EZ | $122,464 | $129,889 | -$7,425 | $337,647 | $0 | $337,647 |
| July 31, 2024 | 990-EZ | $59,859 | $57,679 | $2,180 | $345,072 | $0 | $345,072 |
| July 31, 2023 | 990-EZ | $117,916 | $165,055 | -$47,139 | $345,072 | $0 | $345,072 |
Financial details: 990-EZ for the year ended July 31, 2025
Revenue
- Contributions, gifts and grants
- $3,000
- Membership dues
- $17,975
- Program service revenue
- $70,775
- Investment income
- $30,714
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $37,040
- Benefits paid to members
- $5,750
- Compensation of officers, directors and key employees
- $13,050
- Salaries, compensation and benefits (total)
- $13,050
- Professional fees and payments to contractors
- $13,050
- Printing, publications and postage
- $4,533
- Other expenses
- $56,466
- Program services (functional)
- $78,881
Balance sheet and other
- Total assets, start of year
- $345,072
- Total assets, end of year
- $337,647
- Total liabilities, end of year
- $0
- Net assets, end of year
- $337,647
- Cash, savings and investments
- $337,647
- Gross receipts
- $122,464
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-EZ for the year ended July 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Tammy Dymesich | Chief Operations Officer | 5 | $5,000 |
| Kevin Niemi | Chief Financial Officer | 5 | $5,000 |
| Rod Dymesich | Vendor Relations coordinator | 2 | $1,250 |
| Ray Scolavino | Conference coordinator | 2 | $500 |
| Brian Bartel | Publications editor | 3 | $500 |
| Julie Fitzpatrick | webmaster | 3 | $500 |
| Karyl Rosenberg | Historian | 2 | $300 |
| Dennis Rohr | President | 2 | $0 |
| Kristin Michalski | Retiring President | 1 | $0 |
| Stephaine Baker | Secretary | 3 | $0 |
| Andrea Pokrzwinski | Director | 1 | $0 |
| Tom Davies | Director | 1 | $0 |
| Stacey Strandberg | Director | 2 | $0 |
| Megan Sprague | Director | 1 | $0 |
| Patrick Mootz | Director | 1 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Jonathan Baker | Director | 1 | $0 |
| Teri Dillenberg | Director | 1 | $0 |
990-EZ for the year ended July 31, 2024: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Tammy Dymesich | Chief Operations Officer | 4 | $5,000 |
| Kevin Niemi | Chief Financial Officer | 5 | $5,000 |
| Rod Dymesich | Vendor Relations coordinator | 4 | $2,500 |
| Ray Scolavino | Conference coordinator | 2 | $500 |
| Brian Bartel | Publications editor | 2 | $500 |
| Julie Fitzpatrick | webmaster | 3 | $500 |
| Karyl Rosenberg | Historian | 2 | $200 |
| Dennis Rohr | President-elect | 2 | $0 |
| Kristin Michalski | President | 1 | $0 |
| Stephaine Baker | Secretary | 2 | $0 |
| Eric Duhn | Director | 1 | $0 |
| Tom Davies | Director | 1 | $0 |
| Stacey Strandberg | Director | 1 | $0 |
| Jayne Ryczkowski | Director | 1 | $0 |
| Sara Krauskopf | Director | 1 | $0 |
| Jonathan Baker | Director | 1 | $0 |
| Teri Dillenberg | Director | 1 | $0 |
990-EZ for the year ended July 31, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Tammy Dymesich | Chief Operations Officer | 4 | $5,000 |
| Kevin Niemi | Chief Financial Officer | 5 | $5,000 |
| Rod Dymesich | Vendor Relations coordinator | 2 | $2,500 |
| Ray Scolavino | Conference coordinator | 2 | $500 |
| Brian Bartel | Publications editor | 2 | $500 |
| Julie Fitzpatrick | webmaster | 2 | $500 |
| Karyl Rosenberg | Historian | 1 | $200 |
| Dennis Rohr | President-elect | 2 | $0 |
| Kristin Michalski | President | 2 | $0 |
| Stephaine Baker | Secretary | 2 | $0 |
| Eric Duhn | Director | 1 | $0 |
| Tom Davies | Director | 1 | $0 |
| Stacey Strandberg | Director | 1 | $0 |
| Jayne Ryczkowski | Director | 1 | $0 |
| Sara Krauskopf | Director | 1 | $0 |
| Jonathan Baker | Director | 1 | $0 |
| Teri Dillenberg | Director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 2019 TECHNOLOGY DR STE 145, GREEN BAY, WI 54311-3409
- Signed the 990-EZ
- Kevin Niemi, Chief Financial Officer
- Phone
- (920) 988-9368
- Website
- wsst.org
Mission
Improving Science Instruction in Wisconsin by working with Science Instructors Kindergarten through College
Program accomplishments
- Spring Conference March, 2025 - WSST conference was held in Oshkosh WI. Attendance was about 500 individuals. including 63 exhibitor boothsExpenses $51,196
- One printed Newsletters of 18-24 pages and four electronic Newsletters, were sent to over 800 science teachers. A website is maintained for the membership and other science educators. A monthly E-Newsletter of updated science information is sent monthly to members.Expenses $4,533
- We continue to support several grant programs for members. Funds may be used for classroom materials, travel to professional conferences, professional development activities, an essay contest for students, and a new, self-funded Professional Development program for teachers called WINGS (Wisconsin Institute for Next Generation Science). These are all competitive opportunities for members of WSST.Expenses $7,152 · grants $32,040
- Operating expenses such as travel reimbursements for officers and committee chairs to attend Board meeting held throughout the year, cost of maintaining membership database and website (Wild Apricot), etc. in order to maintain vitality of organization and meet its member's needs. Total current membership is around 550.Expenses $16,000
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in July, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | July 31, 2026 | December 15, 2026 | Not due yet |
| 2024 | July 31, 2025 | December 15, 2025 | 990-EZ on file |
| 2023 | July 31, 2024 | December 16, 2024 | 990-EZ on file |
IRS record
- EIN
- 23-7086868
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1994
- Accounting year ends
- July
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U20C)
- Assets (IRS master file)
- $337,647
- Income (IRS master file)
- $122,464
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | July 2025 | $122,464 | $129,889 | $337,647 | XML |
| 990-EZ | July 2024 | $59,859 | $57,679 | $345,072 | XML |
| 990-EZ | July 2023 | $117,916 | $165,055 | $345,072 | XML |
| 990-EZ | July 2022 | – | – | – | IRS |
| 990-EZ | July 2021 | – | – | – | IRS |
| 990-EZ | July 2020 | – | – | – | IRS |
| 990-EZ | July 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 23-7086868).
Questions about WISCONSIN SOCIETY OF SCIENCE TEACHERS
- What is the EIN of WISCONSIN SOCIETY OF SCIENCE TEACHERS?
- The employer identification number (EIN) of WISCONSIN SOCIETY OF SCIENCE TEACHERS is 23-7086868.
- Is WISCONSIN SOCIETY OF SCIENCE TEACHERS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
- Are donations to WISCONSIN SOCIETY OF SCIENCE TEACHERS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does WISCONSIN SOCIETY OF SCIENCE TEACHERS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of WISCONSIN SOCIETY OF SCIENCE TEACHERS due?
- The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WISCONSIN SOCIETY OF SCIENCE TEACHERS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended July 2025.
- Who are the officers and directors of WISCONSIN SOCIETY OF SCIENCE TEACHERS?
- The 990-EZ for the year ended July 31, 2025 lists 17 people; 7 received compensation from the organization, the highest $5,000 (Tammy Dymesich, Chief Operations Officer).
- How much revenue does WISCONSIN SOCIETY OF SCIENCE TEACHERS have?
- On its 990-EZ for the year ended July 31, 2025 it reported revenue of $122,464, expenses of $129,889 and total assets of $337,647 at year end.
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