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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 99-4330525

SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY

Also known as DMDU SOCIETY

Tax-exempt · TOPANGA, CA 90290

Financials

$86K$40K2025
Revenue Expenses · by fiscal year end
Financials of SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
April 30, 2026990-EZ$85,530$40,485$45,045$50,821$0$50,821
Financial details: 990-EZ for the year ended April 30, 2026

Revenue

Contributions, gifts and grants
$0
Program service revenue
$85,460
Investment income
$70
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fees and payments to contractors
$40,485
Program services (functional)
$37,060

Balance sheet and other

Total assets, start of year
$5,776
Total assets, end of year
$50,821
Total liabilities, end of year
$0
Net assets, end of year
$50,821
Cash, savings and investments
$50,821
Gross receipts
$85,530

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 April 30, 2026, highest compensation first.

NameTitleHours / weekCompensation
Edmundo Molina PerezPresident7$0
Julie RozenbergVice President5$0
Antonia HadjimichaelFinance Chair4$0
Steven PopperRules Chair/Secretary4$0
Michelle MiroCareer Development Chair4$0
Nathan BonhamCommunications Chair4$0
Pedro Nasciemento de LimaMembership Chair4$0
Raymond ObareEducation and Training Chair4$0

Address and contacts

Address (IRS master file)
21280 COLINA DR, TOPANGA, CA 90290-3507
Mailing address (990-N for 2024)
21280 Colina Drive, Topanga CA 90290
Principal officer (990-N for 2024)
Edmundo Molina Perez, Bosque de los Manzanos 2306, Calimaya Mexico 52220, MX
Signed the 990-EZ
Steven Popper, Rules Chair/Secretary
Phone
(310) 463-8295

California records

California keeps its own records of charities and corporations. Search them by EIN 99-4330525 or by the name SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

The Society is a professional service organization proving education and training to its members and to engage in outreach to improve the quality of public sector decision making through application of decision making under deep uncertainty (DMDU) concepts and methods. Its membership of some 1,600 includes students, academics, researchers, analysts, and policy planners and practitioners, principally in the public sector.

990-EZ for the year ended April 30, 2026

Program accomplishments

  • Annual 4-day meeting and study conference held November 2025 at Loughborough University, London, UK. Meeting is supported by registration fees from approximately 150 attendees. [only FY charges to DMDU Society shown]
    Expenses $28,592
  • Annual week-long summer school held in July 2025 at University of Utrecht, NL. Registration fees are collected from approximately 50 attendees at several levels of instruction. [only expenses to DMDU Society in FY shown.
    Expenses $4,030
  • Annual 4-day meeting and study conference to be held November 2026 at Water Institute in Baton Rouge, LA. Expenses will be covered by registration fees from expected 150 attendees. [only expenses to DMDU Society in FY are shown].
    Expenses $3,200
  • Annual week-long summer school held August 2026 at University of Cambridge, UK. Costs are covered by registration fees from 48 attendees. [only those costs by DMDU Society in FY are shown].
    Expenses $1,238

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 April, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025April 30, 2026September 15, 2026990-EZ on file
2024April 30, 2025September 15, 2025990-N on file
2023April 30, 2024September 16, 2024Check at the IRS

File the 2026 990-EZ for SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY

Due September 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
99-4330525
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
2025
Accounting year ends
April
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B03)
Assets (IRS master file)
$50,821
Income (IRS master file)
$85,530

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZApril 2026$85,530$40,485$50,821XML
990-N for 2024
Officer: Edmundo Molina Perez
April 30, 2025≤ $50,000 receipts––e-Postcard

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 99-4330525).

Questions about SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY

What is the EIN of SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY?
The employer identification number (EIN) of SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY is 99-4330525.
Is SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
Are donations to SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY 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 SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY due?
The return for tax year 2026 (the year ending April 30, 2027) is due September 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended April 2026.
Who is the principal officer of SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY?
The 990-N for 2024 names Edmundo Molina Perez.
Who are the officers and directors of SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY?
The 990-EZ for the year ended April 30, 2026 lists 8 people; 0 received compensation from the organization.
How much revenue does SOCIETY FOR DECISION MAKING UNDER DEEP UNCERTAINTY have?
On its 990-EZ for the year ended April 30, 2026 it reported revenue of $85,530, expenses of $40,485 and total assets of $50,821 at year end.

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