Nonprofit · EIN 22-2738769
SYSTEM DYNAMICS SOCIETY INC
Tax-exempt · LITTLETON, MA 01460
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $732,563 | $631,309 | $101,254 | $1,783,279 | $93,259 | $1,690,020 |
| December 31, 2023 | 990 | $621,564 | $572,219 | $49,345 | $1,513,084 | $87,278 | $1,425,806 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $138,080
- Program service revenue
- $548,285
- Investment income
- $25,508
- Net gain from sales of assets
- $530
- Net income from sales of inventory
- $20,690
- Other revenue
- $20,690
Expenses
- Grants and similar amounts paid
- $9,000
- Compensation of officers, directors and key employees
- $119,184
- Other salaries and wages
- $11,228
- Salaries, compensation and benefits (total)
- $143,123
- Professional fundraising fees
- $0
- Program services (functional)
- $495,835
- Management and general (functional)
- $112,413
- Fundraising (functional)
- $23,061
Balance sheet and other
- Total assets, start of year
- $1,513,084
- Total assets, end of year
- $1,783,279
- Total liabilities, end of year
- $93,259
- Net assets, end of year
- $1,690,020
- Publicly traded securities
- $1,297,101
- Net assets without donor restrictions
- $1,263,496
- Net assets with donor restrictions
- $426,524
- Gross receipts
- $1,770,789
- Employees
- 2
- Volunteers
- 625
- Year formed
- 1985
- State of legal domicile
- MA
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 December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| REBECCA NILES | EXECUTIVE DIRECTOR Officer | 40 | $111,138 | $8,046 |
| CAMILO OLAYA | MEMBER Trustee or director | 3 | $0 | $0 |
| HAZHIR RAHMANDAD | MEMBER Trustee or director | 3 | $0 | $0 |
| RAAFAT ZAINI | MEMBER Trustee or director | 3 | $0 | $0 |
| TIMOTHY CLANCY | MEMBER Trustee or director | 3 | $0 | $0 |
| COTY GONZALEZ | MEMBER Trustee or director | 3 | $0 | $0 |
| JUAN PABLO TORRES | MEMBER Trustee or director | 3 | $0 | $0 |
| KAWIKA PIERSON | MEMBER Trustee or director | 3 | $0 | $0 |
| WILLEM AUPING | MEMBER Trustee or director | 3 | $0 | $0 |
| MARTIN KUNC | MEMBER Trustee or director | 3 | $0 | $0 |
| JEROEN STRUBEN | MEMBER Trustee or director | 3 | $0 | $0 |
| JENSON GOH | MEMBER Trustee or director | 3 | $0 | $0 |
| HYUNJUNG KIM | MEMBER Trustee or director | 3 | $0 | $0 |
| ALLYSON BEALL KING | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ASMERET BIER NAUGLE | PRESIDENT-ELECT Trustee or director, Officer | 5 | $0 | $0 |
10 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| J BRADLEY MORRISON | PAST PRESIDENT Trustee or director, Officer | 5 | $0 |
| LEES STUNTZ | SECRETARY Trustee or director, Officer | 5 | $0 |
| PETER HOVMAND | VP CHAPTERS & SIGS Trustee or director, Officer | 5 | $0 |
| ELIOT RICH | VP FINANCE Trustee or director, Officer | 5 | $0 |
| THOMAS WITTIG | VP MARKETING Trustee or director, Officer | 5 | $0 |
| JOHN PASTOR ANSAH | VP MEETINGS Trustee or director, Officer | 5 | $0 |
| INGE BLEIJENBERGH | VP MEMBERSHIP Trustee or director, Officer | 5 | $0 |
| DIANA FISHER | VP PRE-COLLEGE EDUCATION Trustee or director, Officer | 5 | $0 |
| SARAS CHUNG | VP PROFESSIONAL PRACTICE Trustee or director, Officer | 5 | $0 |
| ROBERT EBERLEIN | VP PUBLICATIONS Trustee or director, Officer | 5 | $0 |
990 for the year ended December 31, 2023: 26 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| REBECCA NILES | EXECUTIVE DIRECTOR Officer | 40 | $110,427 | $4,623 |
| CAMILO OLAYA | MEMBER Trustee or director | 3 | $0 | $0 |
| PAUL NEWTON | MEMBER Trustee or director | 3 | $0 | $0 |
| RAAFAT ZAINI | MEMBER Trustee or director | 3 | $0 | $0 |
| TIMOTHY CLANCY | MEMBER Trustee or director | 3 | $0 | $0 |
| DAVID ROSS KEITH | MEMBER Trustee or director | 3 | $0 | $0 |
| JUAN PABLO TORRES | MEMBER Trustee or director | 3 | $0 | $0 |
| KAWIKA PIERSON | MEMBER Trustee or director | 3 | $0 | $0 |
| JENNIFER JOHNSON | MEMBER Trustee or director | 3 | $0 | $0 |
| MARTIN KUNC | MEMBER Trustee or director | 3 | $0 | $0 |
| JEROEN STRUBEN | MEMBER Trustee or director | 3 | $0 | $0 |
| JENSON GOH | MEMBER Trustee or director | 3 | $0 | $0 |
| HYUNJUNG KIM | MEMBER Trustee or director | 3 | $0 | $0 |
| KRYSTYNA A STAVE | VP PUBLICATIONS Trustee or director, Officer | 5 | $0 | $0 |
| SARAS CHUNG | VP PROFESSIONAL PRACTICE Trustee or director, Officer | 5 | $0 | $0 |
| ASMERET BIER NAUGLE | VP MEMBERSHIP Trustee or director, Officer | 5 | $0 | $0 |
| SARA METCALF | VP MEETINGS Trustee or director, Officer | 5 | $0 | $0 |
| THOMAS WITTIG | VP MARKETING Trustee or director, Officer | 5 | $0 | $0 |
| ELIOT RICH | VP FINANCE Trustee or director, Officer | 5 | $0 | $0 |
| ROBERT EBERLEIN | VP ELECTRONIC Trustee or director, Officer | 5 | $0 | $0 |
| PETER HOVMAND | VP CHAPTERS & SIGS Trustee or director, Officer | 5 | $0 | $0 |
| LEES STUNTZ | SECRETARY Trustee or director, Officer | 5 | $0 | $0 |
| SHAYNE GARY | PAST PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| ALLYSON BEALL KING | PRESIDENT-ELECT Trustee or director, Officer | 5 | $0 | $0 |
| J BRADLEY MORRISON | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| DIANA FISHER | VP PRE-COLLEGE EDUCATION Trustee or director, Officer | 5 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 542, LITTLETON, MA 01460-0542
- In care of
- % ALEXANDER L PUGH III
- Principal officer (990 for 2024)
- REBECCA D NILES, PO BOX 12747, SAN DIEGO, CA 92112
- Signed the 990
- REBECCA D NILES, EXECUTIVE DIRECTOR
- Phone
- (978) 540-0411
- Website
- WWW.SYSTEMDYNAMICS.ORG
- Return prepared by
- MENGEL METZGER BARR & CO LLP
Mission
SYSTEM DYNAMICS SOCIETY, INC. IS DEVOTED TO ENCOURAGING THE DEVELOPMENT AND USE OF SYSTEM DYNAMICS AND SYSTEMS THINKING AROUND THE WORLD. SYSTEM DYNAMICS IS A COMPUTER-AIDED APPROACH TO POLICY ANALYSIS AND DESIGN.
Program accomplishments
- SYSTEM DYNAMICS SOCIETY, INC. PROVIDED A FORUM IN WHICH RESEARCHERS, EDUCATORS, CONSULTANTS, AND PRACTITIONERS IN THE CORPORATE AND PUBLIC SECTORS INTERACT TO INTRODUCE NEWCOMERS TO THE FIELD, KEEP ABREAST OF CURRENT DEVELOPMENTS, AND BUILD ON EACH OTHER'S WORK. DURING 2024, APPROXIMATELY 1,401 INDIVIDUALS WERE SERVED. THE AGENCY IS PRIMARILY SUPPORTED THROUGH CONFERENCE REVENUE AND INVESTMENT INCOME.Expenses $495,835 · grants $9,000 · revenue $568,975
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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 22-2738769
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1986
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B20B)
- Assets (IRS master file)
- $1,783,279
- Income (IRS master file)
- $1,770,789
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $732,563 | $631,309 | $1,783,279 | XML |
| 990 | December 2023 | $621,564 | $572,219 | $1,513,084 | XML |
| 990 | December 2022 | $594,686 | $518,101 | $1,328,861 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 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 22-2738769).
Questions about SYSTEM DYNAMICS SOCIETY INC
- What is the EIN of SYSTEM DYNAMICS SOCIETY INC?
- The employer identification number (EIN) of SYSTEM DYNAMICS SOCIETY INC is 22-2738769.
- Is SYSTEM DYNAMICS SOCIETY INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1986.
- Are donations to SYSTEM DYNAMICS SOCIETY INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SYSTEM DYNAMICS SOCIETY 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 SYSTEM DYNAMICS SOCIETY INC due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SYSTEM DYNAMICS SOCIETY INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of SYSTEM DYNAMICS SOCIETY INC?
- The 990 for the year ended December 31, 2024 names REBECCA D NILES.
- Who are the officers and directors of SYSTEM DYNAMICS SOCIETY INC?
- The 990 for the year ended December 31, 2024 lists 25 people; 1 received compensation from the organization, the highest $111,138 (REBECCA NILES, EXECUTIVE DIRECTOR).
- How much revenue does SYSTEM DYNAMICS SOCIETY INC have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $732,563, expenses of $631,309 and total assets of $1,783,279 at year end.
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