Nonprofit · EIN 86-0709487
WM SYMPOSIA INC
Tax-exempt · TEMPE, AZ 85282
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $6,079,111 | $4,352,874 | $1,726,237 | $8,913,322 | $334,667 | $8,578,655 |
| June 30, 2024 | 990 | $5,862,959 | $4,199,744 | $1,663,215 | $7,066,527 | $346,608 | $6,719,919 |
| June 30, 2023 | 990 | $4,750,490 | $3,687,884 | $1,062,606 | $5,151,279 | $268,301 | $4,882,978 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $532,385
- Program service revenue
- $5,140,962
- Investment income
- $275,311
- Net gain from sales of assets
- $45,076
- Other revenue
- $130,453
Expenses
- Grants and similar amounts paid
- $328,000
- Compensation of officers, directors and key employees
- $775,235
- Other salaries and wages
- $1,118,573
- Salaries, compensation and benefits (total)
- $2,006,212
- Professional fundraising fees
- $0
- Accounting fees
- $59,995
- Travel
- $138,826
- Depreciation
- $2,548
- Program services (functional)
- $3,379,368
- Management and general (functional)
- $973,506
Balance sheet and other
- Total assets, start of year
- $7,066,527
- Total assets, end of year
- $8,913,322
- Total liabilities, end of year
- $334,667
- Net assets, end of year
- $8,578,655
- Land, buildings and equipment
- $743
- Publicly traded securities
- $3,349,932
- Net assets without donor restrictions
- $8,578,655
- Gross receipts
- $6,079,111
- Employees
- 6
- Volunteers
- 19
- Year formed
- 1992
- State of legal domicile
- AZ
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 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SUSAN WALTER | MANAGING DIRECTOR Officer | 40 | $278,750 | $0 |
| MAURYA PALMER | CONFERENCE DIRECTOR Highest-paid employee | 40 | $119,166 | $13,131 |
| GREG MEYER | CHAIR Trustee or director, Officer | 4 | $0 | $0 |
| JOHN LONGENECKER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN MATHIESON | SECRETARY Trustee or director, Officer | 4 | $0 | $0 |
| LARRY CAMPER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SUSAN STIGER | PRESIDENT Trustee or director, Officer | 4 | $0 | $0 |
| OLAF OLDIGES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ROBERT WEILER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LOONG YONG | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| BILLY MORRISON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KAZUHIRO SUZUKI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BOB COCHRAN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SANDRA FAIRCHILD | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LINDA KOBEL | DIRECTOR Trustee or director | 2 | $0 | $0 |
5 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KAPILA FERNANDO | DIRECTOR Trustee or director | 2 | $0 |
| CATHY HICKEY | DIRECTOR Trustee or director | 2 | $0 |
| WES HINES | DIRECTOR Trustee or director | 2 | $0 |
| KRISTEN ELLIS | DIRECTOR Trustee or director | 2 | $0 |
| CRAIG MICHALUK | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 21 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| GARY BENDA | DEPUTY MANAGING DIRECTOR Officer | 10 | $163,627 | $0 |
| MAURYA PALMER | CONFERENCE DIRECTOR Highest-paid employee | 40 | $111,583 | $16,235 |
| PAT RECKERS | CFO Officer | 10 | $20,220 | $0 |
| GREG MEYER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN LONGENECKER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN MATHIESON | SECRETARY Trustee or director, Officer | 4 | $0 | $0 |
| LARRY CAMPER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SUSAN STIGER | PRESIDENT Trustee or director, Officer | 4 | $0 | $0 |
| OLAF OLDIGES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ROBERT WEILER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LOONG YONG | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| BILLY MORRISON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KAZUHIRO SUZUKI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BOB COCHRAN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SANDRA FAIRCHILD | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LINDA KOBEL | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KAPILA FERNANDO | DIRECTOR Trustee or director | 2 | $0 | $0 |
| CATHY HICKEY | DIRECTOR Trustee or director | 2 | $0 | $0 |
| WES HINES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KRISTEN ELLIS | DIRECTOR Trustee or director | 2 | $0 | $0 |
| CRAIG MICHALUK | DIRECTOR Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 24 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| GARY BENDA | DEPUTY MANAGING DIRECTOR Officer | 10 | $174,004 | $0 |
| JACQUELINE QUINTYNE | CONFERENCE MANAGER Highest-paid employee | 40 | $122,685 | $6,282 |
| PAT RECKERS | CFO Officer | 10 | $114,650 | $0 |
| FRED E SHEIL | DIRECTOR Trustee or director | 2 | $0 | $0 |
| GEORGE DIALS | DIRECTOR Trustee or director | 2 | $0 | $0 |
| GREG MEYER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JAMES FIORE | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JAMES GALLAGHER | CHAIRMAN OF THE BOARD Trustee or director, Officer | 4 | $0 | $0 |
| ANGIE JONES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN LONGENECKER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| JOHN MATHIESON | SECRETARY Trustee or director, Officer | 4 | $0 | $0 |
| LARRY CAMPER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SUSAN STIGER | PRESIDENT Trustee or director, Officer | 4 | $0 | $0 |
| OLAF OLDIGES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ROBERT WEILER | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LOONG YONG | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| BILLY MORRISON | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KAZUHIRO SUZUKI | DIRECTOR Trustee or director | 2 | $0 | $0 |
| BOB COCHRAN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| KURT GERDES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| HEATHERLY DUKES | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SANDRA FAIRCHILD | DIRECTOR Trustee or director | 2 | $0 | $0 |
| LINDA KOBEL | DIRECTOR Trustee or director | 2 | $0 | $0 |
| SUSAN WALTER | MANAGING DIRECTOR Officer | 10 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 4635 S LAKESHORE DR STE 120, TEMPE, AZ 85282-7127
- In care of
- % PATRICIA RECKERS
- Principal officer (990 for 2024)
- LOONG YONG, 4635 S LAKESHORE DR, TEMPE, AZ 85282
- Signed the 990
- LOONG YONG, TREASURER
- Phone
- (480) 557-0263
- Website
- WWW.WMSYM.ORG
- Return prepared by
- ADDINGTON & ASSOCIATES PLLC
Mission
DEVELOP AN UNDERSTANDING OF THE NUCLEAR ENVIRONMENT.
Program accomplishments
- DEVELOPING AN UNDERSTANDING OF THE NUCLEAR ENVIRONMENT THROUGH ORGANIZING AND HOLDING AN ANNUAL WASTE MANAGEMENT SYMPOSIUM AND SUPPORTING UNIVERSITY CURRICULA AND RESEARCH PROGRAMS.Expenses $3,379,368 · grants $328,000 · revenue $5,271,415
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 86-0709487
- 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
- 2026
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C60)
- Assets (IRS master file)
- $8,913,322
- Income (IRS master file)
- $6,079,111
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $6,079,111 | $4,352,874 | $8,913,322 | XML |
| 990 | June 2024 | $5,862,959 | $4,199,744 | $7,066,527 | IRS |
| 990 | June 2023 | $4,750,490 | $3,687,884 | $5,151,279 | XML |
| 990 | June 2022 | $3,736,137 | $2,905,004 | $3,837,668 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 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 86-0709487).
Questions about WM SYMPOSIA INC
- What is the EIN of WM SYMPOSIA INC?
- The employer identification number (EIN) of WM SYMPOSIA INC is 86-0709487.
- Is WM SYMPOSIA INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2026.
- Are donations to WM SYMPOSIA INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does WM SYMPOSIA INC 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 WM SYMPOSIA INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WM SYMPOSIA INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of WM SYMPOSIA INC?
- The 990 for the year ended June 30, 2025 names LOONG YONG.
- Who are the officers and directors of WM SYMPOSIA INC?
- The 990 for the year ended June 30, 2025 lists 20 people; 2 received compensation from the organization, the highest $278,750 (SUSAN WALTER, MANAGING DIRECTOR).
- How much revenue does WM SYMPOSIA INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $6,079,111, expenses of $4,352,874 and total assets of $8,913,322 at year end.
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