Liabilities / Assets
48th percentile
Higher debt load relative to assets than 48% of similar nonprofits.
990 • Fiscal year 2023 • EIN 22-2738769
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
48th percentile
Higher debt load relative to assets than 48% of similar nonprofits.
Liabilities / Revenue
59th percentile
Higher debt load relative to revenue than 59% of similar nonprofits.
Net Margin
58th percentile
Higher net margin than 58% of similar nonprofits.
Top Officer Pay
73rd percentile
Higher top officer pay than 73% of similar nonprofits.
Top officer pay equals 18.5% of source-year revenue.
Asset Growth
69th percentile
Faster asset growth than 69% of similar nonprofits.
Revenue Growth
46th percentile
Faster revenue growth than 46% of similar nonprofits.
Assets
Up$1,513,084
Up $184,223 (+14%) from 2022
Net Assets
Up$1,425,806
Up $188,203 (+15%) from 2022
Liabilities
Down$87,278
Down $3,980 (-4.4%) from 2022
Revenue
Up$621,564
Up $26,878 (+4.5%) from 2022
Expenses
Up$572,219
Up $54,118 (+10%) from 2022
Net Income
Down$49,345
Down $27,240 (-36%) from 2022
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.
SEE SCHEDULE O
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $982,745 | $1,116,824 | ▲ $134,079 |
| Cash and Non-Interest-Bearing Accounts | $168,788 | $209,822 | ▲ $41,034 |
| Prepaid Expenses and Deferred Charges | $87,540 | $80,059 | ▼ $7,481 |
| Accounts Receivable | $69,660 | $78,550 | ▲ $8,890 |
| Savings and Temporary Cash Investments | $11,916 | $14,030 | ▲ $2,114 |
| Inventories for Sale or Use | $8,212 | $13,799 | ▲ $5,587 |
| Total Assets | $1,328,861 | $1,513,084 | ▲ $184,223 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $43,778 | $45,074 | ▲ $1,296 |
| Deferred Revenue | $43,925 | $40,079 | ▼ $3,846 |
| Escrow Account Liability | $3,555 | $2,125 | ▼ $1,430 |
| Total Liabilities | $91,258 | $87,278 | ▼ $3,980 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $939,990 | $1,080,926 | ▲ $140,936 |
| Net Assets With Donor Restrictions | $297,613 | $344,880 | ▲ $47,267 |
| Total Net Assets Fund Balance | $1,237,603 | $1,425,806 | ▲ $188,203 |
| Total Liabilities and Net Assets / Fund Balance | $1,328,861 | $1,513,084 | ▲ $184,223 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Rebecca Niles | Executive Director | FT | $110,427 | $4,623 | $115,050 |
| Name | Title |
|---|---|
| Shayne Gary | Past President |
| J Bradley Morrison | President |
| Allyson Beall King | President-elect |
| Camilo Olaya | Member |
| David Ross Keith | Member |
| Hyunjung Kim | Member |
| Jennifer Johnson | Member |
| Jenson Goh | Member |
| Jeroen Struben | Member |
| Juan Pablo Torres | Member |
| Kawika Pierson | Member |
| Martin Kunc | Member |
| Paul Newton | Member |
| Raafat Zaini | Member |
| Timothy Clancy | Member |
| Lees Stuntz | Secretary |
| Peter Hovmand | VP Chapters & Sigs |
| Robert Eberlein | VP Electronic |
| Eliot Rich | VP Finance |
| Thomas Wittig | VP Marketing |
| Sara Metcalf | VP Meetings |
| Asmeret Bier Naugle | VP Membership |
| Diana Fisher | VP Pre-college Education |
| Saras Chung | VP Professional Practice |
| Krystyna a Stave | VP Publications |
| Line Item | Amount |
|---|---|
| Other Expenses | $412,191 |
| Salaries, Compensation, and Employee Benefits | $145,446 |
| Total Fundraising Expense | $38,825 |
| Grants and Similar Amounts Paid | $14,582 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $96,571 | $81,275 | $13,053 | $190,899 |
| Conferences and Meetings | $130,745 | - | - | $130,745 |
| Current Officers, Directors, Trustees, and Key Employees | $91,976 | $3,946 | $19,128 | $115,050 |
| Office Expenses | $26,220 | $4,593 | $63 | $30,876 |
| Other Employee Benefits | $12,450 | $534 | $2,590 | $15,574 |
| Payroll Taxes | $11,850 | $508 | $2,464 | $14,822 |
| Advertising | $1,035 | $12,227 | $236 | $13,498 |
| Grants to Domestic Individuals | $9,291 | - | - | $9,291 |
| Foreign Grants | $5,291 | - | - | $5,291 |
| Fees for Service Investment Mgmnt Fees | - | $2,584 | - | $2,584 |
| Other Expenses | $872 | $657 | $1,291 | $1,529 |
| Insurance | - | $675 | - | $675 |
| Total Functional Expenses | $426,385 | $107,009 | $38,825 | $572,219 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $572,219 |
| Expenses per Audited Statements | $569,635 |
| Total Expenses per Audited Statements | $569,635 |
| Expenses Not Reported on Financial Statements | $2,584 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“As part of the annual review, our independent certified public accounting firm prepares a draft of form 990 and related supporting schedules from our internal records. We designate an individual or individuals with suitable skill, knowledge or experience to oversee these services and we make all management decisions and perform all management functions. The executive level of management has reviewed, approved, and accepted responsibilitiy for form 990 and the related schedules and believe they are adequately supported by the books and records of system dynamics society, inc. Form 990 and the related schedules are distributed to all members of the finance committee and executive committee prior to filing.”
“Sds has "conflict of interest" guidelines which requires an annual signed statement from the executive director and the policy council affirming no conflicts, potential conflicts, or actual conflicts of interest. Disclosed conflicts of interest are reviewed and discussed. Results are documented and noted in the policy council minutes.”
“Executive director compensation - based on contract. The policy council uses a performance evaluation document and benchmarking information to decide the compensation for the executive director. No member of the policy council receives compensation for serving as a policy council member. There are no "key employees".”
“UPON REQUEST.”
“System dynamics society, inc. Is devoted to encouraging the development and use of system dynamics and systems thinking around the world.”
“Professional fees and consultants: program service expenses 96,571. Management and general expenses 81,275. Fundraising expenses 13,053. Total expenses 190,899.”
“Custodial account liability”
“System dynamics society, inc. (sds) is exempt from income taxes under section 501(c)(3) of the internal revenue code and comparable state law, is classified as an organization that is not a private foundation and qualifies for the charitable contribution deduction for individual donors. Management believes there are no sources of unrelated business taxable income and no uncertain tax positions, and no provision for income taxes has been made in the accompanying financial statements. Sds is required to file federal form 990 "return of organization exempt from income tax" with the internal revenue service, and similar information returns with certain states.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 43778 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 45074 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 69660 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 78550 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | SEE SCHEDULE O |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 236 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 12227 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1035 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 13498 |
| IRS990/AllOtherContributionsAmt | 0 | 124048 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | REBECCA NILES EXECUTIVE DIRECTOR |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9785400411 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 17 LOKER STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WAYLAND |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 01778 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 168788 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 209822 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 19128 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 3946 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 91976 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 115050 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 130745 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 130745 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CostOfGoodsSoldAmt | 0 | 20922 |
| IRS990/CreditCounselingInd | 0 | 1 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 124048 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 14582 |
| IRS990/CYInvestmentIncomeAmt | 0 | 27710 |
| IRS990/CYOtherExpensesAmt | 0 | 412191 |
| IRS990/CYOtherRevenueAmt | 0 | 34089 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 435717 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 49345 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 145446 |
| IRS990/CYTotalExpensesAmt | 0 | 572219 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 38825 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 621564 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 43925 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 40079 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | 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 2023, APPROXIMATELY 1,336 INDIVIDUALS WERE SERVED. THE AGENCY IS PRIMARILY SUPPORTED THROUGH CONFERENCE REVENUE AND INVESTMENT INCOME. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 297613 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 344880 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 2 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 3555 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 2125 |
| IRS990/ExpenseAmt | 0 | 426385 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 13053 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 81275 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 96571 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 190899 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 2584 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 2584 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 5291 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 5291 |
| IRS990/ForeignOfficeInd | 0 | 1 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 23 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 24 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 4623 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | CAMILO OLAYA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | PAUL NEWTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | RAAFAT ZAINI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | TIMOTHY CLANCY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DAVID ROSS KEITH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JUAN PABLO TORRES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | KAWIKA PIERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JENNIFER JOHNSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARTIN KUNC |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | JEROEN STRUBEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JENSON GOH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | HYUNJUNG KIM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | KRYSTYNA A STAVE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | SARAS CHUNG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | ASMERET BIER NAUGLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | SARA METCALF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | THOMAS WITTIG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | ELIOT RICH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | ROBERT EBERLEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | PETER HOVMAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | LEES STUNTZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | SHAYNE GARY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | ALLYSON BEALL KING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | J BRADLEY MORRISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | DIANA FISHER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | REBECCA NILES |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 110427 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | VP PUBLICATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | VP PROFESSIONAL PRACTICE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | VP MEMBERSHIP |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | VP MEETINGS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | VP MARKETING |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | VP FINANCE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | VP ELECTRONIC |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | VP CHAPTERS & SIGS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | PAST PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | PRESIDENT-ELECT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | VP PRE-COLLEGE EDUCATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 1985 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 5021 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 25 |
| IRS990/GrantAmt | 0 | 14582 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 9291 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 9291 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 748282 |
| IRS990/GrossReceiptsAmt | 0 | 1385747 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 55011 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 25 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 675 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 675 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 8212 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 13799 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 22689 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 22689 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 982745 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 1116824 |
| IRS990/IRPDocumentCnt | 0 | 10 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 743261 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 1 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | 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. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1237603 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1425806 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 5021 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 5021 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 34089 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 34089 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 138858 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 939990 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1080926 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 63 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 4593 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 26220 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 30876 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 2590 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 534 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 12450 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 15574 |
| IRS990/OtherExpensesGrp/Desc | 0 | PUBLICATIONS |
| IRS990/OtherExpensesGrp/Desc | 1 | BANK AND CREDIT CARD FE |
| IRS990/OtherExpensesGrp/Desc | 2 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 1291 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 10 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 657 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 24592 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 15492 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 872 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 24592 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 16793 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 1529 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 2464 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 508 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 11850 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 14822 |
| IRS990/PoliciesReferenceChaptersInd | 0 | 1 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 87540 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 80059 |
| IRS990/PrincipalOfficerNm | 0 | REBECCA D NILES |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611710 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 513120 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | CONFERENCES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MEMBERSHIP DUES/SUBSCR |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | PUBLICATIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | TRAINING AND FACILITAT |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 249874 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 111910 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 64933 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 9000 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 249874 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 111910 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 64933 |
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Displayed year
2023 • Form 990Detailed filing. Detailed filing data is available for this year.