Civic Intelligence

Mathematical Optimization Society Inc

EIN 23-2161580 • 501(c)3 • Philadelphia, PA

Profile

The society is an international organization dedicated to the promotion and maintenance of high professional standards in the subject of mathematical optimization. It publishes the journals mathematical programming a and b, consisting of technical articles on all aspects of the subject; the journal mathematical programming computation, for articles with a computational focus; the mos/siam series on optimization, comprising monographs and texts on particular optimization topics; and the newsletter optima. Every three years the society sponsors the international symposium on mathematical programming (ismp). In other years, it supports the conference on integer programming and combinatorial optimization (ipco) and the international conference on continuous optimization (iccopt).

3600 University Science CenterPhiladelphia, PA 19104

www.mathopt.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

29th percentile

0.01x

Higher debt load relative to assets than 29% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

46th percentile

0.06x

Higher debt load relative to revenue than 46% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Net Margin

79th percentile

28%

Higher net margin than 79% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Top Officer Pay

40th percentile

$0

Higher top officer pay than 40% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Asset Growth

47th percentile

2.4%

Faster asset growth than 47% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

16th percentile

-18%

Faster revenue growth than 16% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Assets

Up

$1,013,484

Up $23,904 (+2.4%) from 2023

Liabilities

Down

$5,335

Down $2,502 (-32%) from 2023

Net Assets

Up

$1,008,149

Up $26,406 (+2.7%) from 2023

Revenue

Down

$94,886

Down $21,433 (-18%) from 2023

Expenses

Down

$68,480

Down $35,602 (-34%) from 2023

Net Income

Up

$26,406

Up $14,169 (+116%) from 2023

Trend Graphs

Balance Sheet Trend

Grouped bars show assets, liabilities, and net assets across loaded filings.

$1.5M$1.0M$500K$0Assets 2010: $423,619Liabilities 2010: $0Net Assets 2010: $423,6192010Assets 2011: $433,275Liabilities 2011: $20Net Assets 2011: $433,2552011Assets 2012: $559,810Liabilities 2012: $0Net Assets 2012: $559,8102012Assets 2013: $567,965Liabilities 2013: $3,166Net Assets 2013: $564,7992013Assets 2014: $625,026Liabilities 2014: $17,591Net Assets 2014: $607,4352014Assets 2015: $699,799Liabilities 2015: $3,578Net Assets 2015: $696,2212015Assets 2016: $818,744Liabilities 2016: $4,257Net Assets 2016: $814,4872016Assets 2017: $776,016Liabilities 2017: $5,479Net Assets 2017: $770,5372017Assets 2018: $780,989Liabilities 2018: $5,630Net Assets 2018: $775,3592018Assets 2019: $887,815Liabilities 2019: $4,590Net Assets 2019: $883,2252019Assets 2020: $926,112Liabilities 2020: $7,154Net Assets 2020: $918,9582020Assets 2021: $930,067Liabilities 2021: $5,928Net Assets 2021: $924,1392021Assets 2022: $975,758Liabilities 2022: $6,252Net Assets 2022: $969,5062022Assets 2023: $989,580Liabilities 2023: $7,837Net Assets 2023: $981,7432023Assets 2024: $1,013,484Liabilities 2024: $5,335Net Assets 2024: $1,008,1492024

Highlighted filing

2024

Assets$1,013,484
Liabilities$5,335
Net Assets$1,008,149

Operations Trend

Revenue, expenses, and net income by year, with the latest filing highlighted.

$200K$100K$0-$100KRevenue 2010: $137,591Expenses 2010: $62,580Net Income 2010: $75,0112010Revenue 2011: $100,980Expenses 2011: $91,344Net Income 2011: $9,6362011Expenses 2012: $88,5682012Revenue 2013: $90,619Expenses 2013: $85,630Net Income 2013: $4,9892013Revenue 2014: $89,362Expenses 2014: $46,726Net Income 2014: $42,6362014Revenue 2015: $138,295Expenses 2015: $72,009Net Income 2015: $66,2862015Revenue 2016: $185,793Expenses 2016: $47,527Net Income 2016: $138,2662016Revenue 2017: $51,111Expenses 2017: $75,061Net Income 2017: -$23,9502017Revenue 2018: $74,524Expenses 2018: $69,702Net Income 2018: $4,8222018Revenue 2019: $170,044Expenses 2019: $62,178Net Income 2019: $107,8662019Revenue 2020: $101,990Expenses 2020: $66,257Net Income 2020: $35,7332020Revenue 2021: $64,710Expenses 2021: $59,529Net Income 2021: $5,1812021Revenue 2022: $106,199Expenses 2022: $60,832Net Income 2022: $45,3672022Revenue 2023: $116,319Expenses 2023: $104,082Net Income 2023: $12,2372023Revenue 2024: $94,886Expenses 2024: $68,480Net Income 2024: $26,4062024

Highlighted filing

2024

Revenue$94,886
Expenses$68,480
Net Income$26,406

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.01$0.01$1.01$0.09$0.07$0.03
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.99$0.01$0.98$0.12$0.10$0.01
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.98$0.01$0.97$0.11$0.06$0.05
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.93$0.01$0.92$0.06$0.06$0.01
2020XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.93$0.01$0.92$0.10$0.07$0.04
2019XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.89$0.00$0.88$0.17$0.06$0.11
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.78$0.01$0.78$0.07$0.07$0.00
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.78$0.01$0.77$0.05$0.08$0.02
2016XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.82$0.00$0.81$0.19$0.05$0.14
2015Detailed filing. Detailed filing data is available for this year.$0.70$0.00$0.70$0.14$0.07$0.07
2014Detailed filing. Detailed filing data is available for this year.$0.63$0.02$0.61$0.09$0.05$0.04
2013XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.57$0.00$0.56$0.09$0.09$0.00
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.56$0.00$0.56$0.09
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.43$0.00$0.43$0.10$0.09$0.01
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.42$0.00$0.42$0.14$0.06$0.08
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Aug 28, 2025
Return Version
2024v5.2
Gross Receipts
$94,886
Mission and Program Overview

Mission

The society is an international organization dedicated to the promotion and maintenance of high professional standards in the subject of mathematical optimization. It publishes the journals mathematical programming a and b, consisting of techincal articles on all aspects of the subject, the journal mathematical programming computation, for articles with a computational focus, the mos/siam series on optimization, comprising monographs and texts on particular optimization topics, and the newsletter optima. Every three years the society sponsors the international symposium on mathematical programming (ismp). In other years, it supports the conference on integer, programming and combinatorial optimization (ipco) and the international conference on continuous optimization (iccopt).

Advance knowledge of mathematical optimization

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$771,126$808,830▲ $37,704
Cash and Non-Interest-Bearing Accounts$195,243$181,891▼ $13,352
Investments in Publicly Traded Securities$22,750$22,750→ $0
Land, Buildings, and Equipment, Net$438$0▼ $438
Accounts Receivable$23$13▼ $10
Other Notes and Loans Receivable, Net-$0-
Pledges and Grants Receivable-$0-
Receivable From Disqualified Prsn-$0-
Receivables From Officers Etc-$0-
Investments Other Securities-$0-
Investments Program Related-$0-
Intangible Assets-$0-
Inventories for Sale or Use-$0-
Prepaid Expenses and Deferred Charges-$0-
Total Assets$989,580$1,013,484▲ $23,904
Other Assets Total-$0-
Liabilities
Deferred Revenue$7,837$5,335▼ $2,502
Total Liabilities$7,837$5,335▼ $2,502
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$909,604$935,592▲ $25,988
Net Assets With Donor Restrictions$72,139$72,557▲ $418
Total Net Assets Fund Balance$981,743$1,008,149▲ $26,406
Total Liabilities and Net Assets / Fund Balance$989,580$1,013,484▲ $23,904

Asset Categories

AssetBook ValueDepreciationBasis
Equipment-$18,578$18,578
Compensation and Service Providers

Board Members and Trustees

NameTitle
Miguel AnjosChair
Katya ScheinbergChair Elect
David MortonChair of Exec
John BirgeCHAIR-outgoing
Andreas WachterCouncil Member
Angelika WiegeleCouncil Member
Fabian BastinCouncil Member
Jorge VeraCouncil Member
Merve BodurCouncil Member
Wolfram WiesemannCouncil Member
Xiaojun ChenCouncil Member
Samuel BurerTreasurer
Fatma Kilinc-karzanTreasurer Elect
Revenue and Support

Revenue Composition

Contributions and Grants
$0
Program Service Revenue
$57,182
Investment Income
$37,704
Other Revenue
$0
Change in Net Assets
$26,406
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$68,480
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Fees for Services Accounting$6,450--$6,450
Fees for Services Other$1,672--$1,672
Fees for Services Legal$676--$676
Depreciation Depletion$438--$438
Other Expenses$17,005$30-$30
All Other Expenses-$-2,292-$-2,292
Total Functional Expenses$69,641$-1,161$0$68,480
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Receivables from Disqualified Persons-$0-
Receivables from Officers, Directors, Trustees, and Key Employees-$0-
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 6

The society consists of dues-paying members from academia, industry, and research labs.

Form 990, Part VI, Section B, Line 11B

The form 990 was prepared by an independent accounting firm in conjunction with the organizations financial department. A copy of the draft form 990 was circulated to the full executive committee for discussion and comment. Each executive committee member was provided ample opportunity to comment on the information contained in the 990 prior to its electronic filing with the internal revenue service center.

Form 990, Part VI, Section B, Line 12C

Written conflict of interest policy: each officer, director, trustee and key employee of mos is required to annually disclose any conflicts of interest that arise by virtue of their employment, board service, or position with mos. Mos monitors compliance with its conflict of interest policy through a semi-annual disclosure statement that is distributed to these individuals. Potential conflicts are investigated immediately.

Form 990, Part VI, Section B, Line 15A

Council members (including officers) will not receive any compensation for their services as council members, nor will officers receive any compensation for their services, but by resolution of the council. Council members (including officers) may be reimbursed for their expenses of attendance at council meetings. However, nothing herein will be construed to prevent a council member or a member of the family of such council member from serving the society in another capacity for which compensation or an honorarium is paid. If a council member or a member of the family of such council member serves the society in another capacity for which the society may pay any of them compensation, a reimbursement or an honorarium, such council member shall reveal such conflict before the council considers whether to approve such payment and shall not vote on a council action to approve such payment. If such payment to a council member or member of the family of such council member shall be expected in combination with any other payments for such calendar year to exceed $5,000, the member shall also not participate in the discussion whether to approve such payment. In any case in which the council votes to approve a payment to a council member or member of the family of such council member, the minutes shall include 1) the names of each person who was present for the discussion of the payment, 2) the names of each person who was present for the council vote on the payment, and 3) the names and votes of each council member who voted on the payment. For the purpose of this section, the family of an individual includes only his or her spouse, ancestors, brothers and sisters (whether whole or half-blood), children (whether natural or adopted), grandchildren, great-grandchildren, and spouses of brothers, sisters, children and grandchildren.

Form 990, Part VI, Section C, Line 19

The organization makes its governing documents, conflicts of interest policy and financial statements available by posting to the organization's website.

Filing and Contact Details

Filer

Filer Name
Mathematical Optimization Society Inc
EIN
23-2161580
Phone
4122689198
Address
3600 UNIVERSITY SCIENCE CENTER, PHILADELPHIA, PA 19104

Signing Officer

Name
Fatma Kilinc-karzan
Title
Treasurer
Signed
2025-08-28
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Miguel Anjos
Formed
1981
Legal Domicile
Pa
Voting Board Members
7
Independent Board Members
7
Employees
0

Preparer

Firm
Stephen Barry CPA LLC
Address
PO Box 961, Voorhees, NJ 08043
Preparer
Stephen Barry
Phone
6099220006
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This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0THE SOCIETY CONSISTS OF DUES-PAYING MEMBERS FROM ACADEMIA, INDUSTRY, AND RESEARCH LABS.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1THE FORM 990 WAS PREPARED BY AN INDEPENDENT ACCOUNTING FIRM IN CONJUNCTION WITH THE ORGANIZATIONS FINANCIAL DEPARTMENT. A COPY OF THE DRAFT FORM 990 WAS CIRCULATED TO THE FULL EXECUTIVE COMMITTEE FOR DISCUSSION AND COMMENT. EACH EXECUTIVE COMMITTEE MEMBER WAS PROVIDED AMPLE OPPORTUNITY TO COMMENT ON THE INFORMATION CONTAINED IN THE 990 PRIOR TO ITS ELECTRONIC FILING WITH THE INTERNAL REVENUE SERVICE CENTER.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2WRITTEN CONFLICT OF INTEREST POLICY: EACH OFFICER, DIRECTOR, TRUSTEE AND KEY EMPLOYEE OF MOS IS REQUIRED TO ANNUALLY DISCLOSE ANY CONFLICTS OF INTEREST THAT ARISE BY VIRTUE OF THEIR EMPLOYMENT, BOARD SERVICE, OR POSITION WITH MOS. MOS MONITORS COMPLIANCE WITH ITS CONFLICT OF INTEREST POLICY THROUGH A SEMI-ANNUAL DISCLOSURE STATEMENT THAT IS DISTRIBUTED TO THESE INDIVIDUALS. POTENTIAL CONFLICTS ARE INVESTIGATED IMMEDIATELY.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3COUNCIL MEMBERS (INCLUDING OFFICERS) WILL NOT RECEIVE ANY COMPENSATION FOR THEIR SERVICES AS COUNCIL MEMBERS, NOR WILL OFFICERS RECEIVE ANY COMPENSATION FOR THEIR SERVICES, BUT BY RESOLUTION OF THE COUNCIL. COUNCIL MEMBERS (INCLUDING OFFICERS) MAY BE REIMBURSED FOR THEIR EXPENSES OF ATTENDANCE AT COUNCIL MEETINGS. HOWEVER, NOTHING HEREIN WILL BE CONSTRUED TO PREVENT A COUNCIL MEMBER OR A MEMBER OF THE FAMILY OF SUCH COUNCIL MEMBER FROM SERVING THE SOCIETY IN ANOTHER CAPACITY FOR WHICH COMPENSATION OR AN HONORARIUM IS PAID. IF A COUNCIL MEMBER OR A MEMBER OF THE FAMILY OF SUCH COUNCIL MEMBER SERVES THE SOCIETY IN ANOTHER CAPACITY FOR WHICH THE SOCIETY MAY PAY ANY OF THEM COMPENSATION, A REIMBURSEMENT OR AN HONORARIUM, SUCH COUNCIL MEMBER SHALL REVEAL SUCH CONFLICT BEFORE THE COUNCIL CONSIDERS WHETHER TO APPROVE SUCH PAYMENT AND SHALL NOT VOTE ON A COUNCIL ACTION TO APPROVE SUCH PAYMENT. IF SUCH PAYMENT TO A COUNCIL MEMBER OR MEMBER OF THE FAMILY OF SUCH COUNCIL MEMBER SHALL BE EXPECTED IN COMBINATION WITH ANY OTHER PAYMENTS FOR SUCH CALENDAR YEAR TO EXCEED $5,000, THE MEMBER SHALL ALSO NOT PARTICIPATE IN THE DISCUSSION WHETHER TO APPROVE SUCH PAYMENT. IN ANY CASE IN WHICH THE COUNCIL VOTES TO APPROVE A PAYMENT TO A COUNCIL MEMBER OR MEMBER OF THE FAMILY OF SUCH COUNCIL MEMBER, THE MINUTES SHALL INCLUDE 1) THE NAMES OF EACH PERSON WHO WAS PRESENT FOR THE DISCUSSION OF THE PAYMENT, 2) THE NAMES OF EACH PERSON WHO WAS PRESENT FOR THE COUNCIL VOTE ON THE PAYMENT, AND 3) THE NAMES AND VOTES OF EACH COUNCIL MEMBER WHO VOTED ON THE PAYMENT. FOR THE PURPOSE OF THIS SECTION, THE FAMILY OF AN INDIVIDUAL INCLUDES ONLY HIS OR HER SPOUSE, ANCESTORS, BROTHERS AND SISTERS (WHETHER WHOLE OR HALF-BLOOD), CHILDREN (WHETHER NATURAL OR ADOPTED), GRANDCHILDREN, GREAT-GRANDCHILDREN, AND SPOUSES OF BROTHERS, SISTERS, CHILDREN AND GRANDCHILDREN.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICTS OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE BY POSTING TO THE ORGANIZATION'S WEBSITE.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part VI, Section A, Line 6
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section B, Line 11b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990, Part VI, Section B, Line 12c
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990, Part VI, Section B, Line 15a

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