Nonprofit · EIN 23-1496016
SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS
Tax-exempt · PHILADELPHIA, PA 19104
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $17,724,481 | $17,877,072 | -$152,591 | $61,103,168 | $11,373,685 | $49,729,483 |
| December 31, 2023 | 990 | $15,435,934 | $15,162,511 | $273,423 | $56,575,127 | $9,880,448 | $46,694,679 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $2,026,646
- of which government grants
- $746,611
- Program service revenue
- $10,880,648
- Investment income
- $3,641,450
- Royalties
- $16,690
- Net rental income
- $102,406
- Net gain from sales of assets
- $2,748,776
- Net income from sales of inventory
- $874,029
- Other revenue
- $1,175,737
Expenses
- Grants and similar amounts paid
- $334,932
- Compensation of officers, directors and key employees
- $750,921
- Other salaries and wages
- $6,872,039
- Salaries, compensation and benefits (total)
- $9,451,009
- Professional fundraising fees
- $0
- Legal fees
- $35,152
- Accounting fees
- $35,760
- Occupancy
- $443,543
- Travel
- $403,418
- Depreciation
- $317,015
- Program services (functional)
- $12,213,040
- Management and general (functional)
- $5,125,478
- Fundraising (functional)
- $538,554
Balance sheet and other
- Total assets, start of year
- $56,575,127
- Total assets, end of year
- $61,103,168
- Total liabilities, end of year
- $11,373,685
- Net assets, end of year
- $49,729,483
- Land, buildings and equipment
- $1,329,566
- Publicly traded securities
- $55,162,250
- Net assets without donor restrictions
- $47,287,709
- Net assets with donor restrictions
- $2,441,774
- Gross unrelated business income
- $106,743
- Gross receipts
- $18,232,170
- Employees
- 97
- Volunteers
- 195
- Year formed
- 1952
- State of legal domicile
- PA
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 |
|---|---|---|---|---|
| SUZANNE L WEEKES | CHIEF EXECUTIVE OFFICER Officer | 36.25 | $399,604 | $45,994 |
| SUSAN A PALANTINO | CHIEF OPERATING OFFICER Officer | 36.25 | $260,511 | $44,812 |
| KIVMARS H BOWLING | DIRECTOR, PUBLICATIONS Highest-paid employee | 36.25 | $209,674 | $38,198 |
| LAUREN R STEIDEL | CONTROLLER Highest-paid employee | 36.25 | $175,228 | $31,472 |
| RICHARD O MOORE | DIRECTOR, PROGRAMS AND SERVICES Highest-paid employee | 36.25 | $170,940 | $31,195 |
| MATTHEW T POSEY | DIRECTOR, INFORMATION SERVICES Highest-paid employee | 36.25 | $173,825 | $6,296 |
| ABBY K ADDY | DIRECTOR, DEVELOPMENT Highest-paid employee | 36.25 | $144,218 | $24,909 |
| CAROL WOODWARD | PRESIDENT ELECT AS OF 01/24 Trustee or director, Officer | 7.5 | $0 | $0 |
| SAMUEL GUBINS | TREASURER Trustee or director, Officer | 7.5 | $0 | $0 |
| ALISON RAMAGE | TRUSTEE -CHAIRPERSON Trustee or director, Officer | 1 | $0 | $0 |
| LILIANA BORCEA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RAYMOND CHAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ULRIKE YANG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| THOMAS A GRANDINE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JAN HESTHAVEN | TRUSTEE Trustee or director | 1 | $0 | $0 |
14 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RICARDO CORTEZ | TRUSTEE Trustee or director | 1 | $0 |
| CYNTHIA PHILLIPS | TRUSTEE AS OF 01/24 Trustee or director | 1 | $0 |
| BEATRICE RIVIERE | TRUSTEE Trustee or director | 1 | $0 |
| BONITA V SAUNDERS | TRUSTEE Trustee or director | 1 | $0 |
| CHI-WANG SHU | TRUSTEE Trustee or director | 1 | $0 |
| SVEN LEYFFER | PRESIDENT Officer | 7.5 | $0 |
| SHERRY LI | VICE PRESIDENT AT LARGE AS OF 01/24 Officer | 7.5 | $0 |
| LEA JENKINS | VICE PRESIDENT FOR EDUCATION AS OF 01/24 Officer | 7.5 | $0 |
| RON BUCKMIRE | VICE PRESIDENT FOR EQUITY, DIVERSITY Officer | 7.5 | $0 |
| SHARON ARROYO | VICE PRESIDENT FOR INDUSTRY Officer | 7.5 | $0 |
| JAMES G NAGY | VICE PRESIDENT FOR PROGRAMS Officer | 7.5 | $0 |
| HOWARD ELMAN | VICE PRESIDENT FOR PUBLICATIONS Officer | 7.5 | $0 |
| ALEJANDRO ACEVES | VICE PRESIDENT FOR SCIENCE POLICY Officer | 7.5 | $0 |
| KAREN DEVINE | SECRETARY AS OF 01/24 Officer | 7.5 | $0 |
990 for the year ended December 31, 2023: 29 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SUZANNE L WEEKES | CHIEF EXECUTIVE OFFICER Officer | 36.25 | $396,714 | $46,790 |
| SUSAN A PALANTINO | CHIEF OPERATING OFFICER Officer | 36.25 | $248,378 | $38,722 |
| KIVMARS H BOWLING | DIRECTOR, PUBLICATIONS Highest-paid employee | 36.25 | $199,804 | $34,305 |
| LAUREN R STEIDEL | CONTROLLER Highest-paid employee | 36.25 | $167,199 | $21,737 |
| MATTHEW T POSEY | DIRECTOR, INFORMATION SERV Highest-paid employee | 36.25 | $163,543 | $17,144 |
| RICHARD O MOORE | DIRECTOR, PROGRAMS AND SER Highest-paid employee | 36.25 | $160,149 | $16,486 |
| MICHELLE J MONTGOMERY | DIRECTOR, PROJECTS Highest-paid employee | 36.25 | $137,941 | $25,476 |
| SUSANNE C BRENNER | PAST PRESIDENT Trustee or director, Officer | 7.5 | $0 | $0 |
| SVEN LEYFFER | PRESIDENT Trustee or director, Officer | 7.5 | $0 | $0 |
| GITTA KUTYNIOK | VICE PRESIDENT AT LARGE Trustee or director, Officer | 7.5 | $0 | $0 |
| SUSAN MINKOFF | SECRETARY Trustee or director, Officer | 7.5 | $0 | $0 |
| SAMUEL GUBINS | TREASURER Trustee or director, Officer | 7.5 | $0 | $0 |
| KATHLEEN KAVANAGH | VICE PRESIDENT FOR EDUCATION Trustee or director, Officer | 7.5 | $0 | $0 |
| RON BUCKMIRE | VICE PRESIDENT FOR EQUITY,DIVERSITY Trustee or director, Officer | 7.5 | $0 | $0 |
| SHARON ARROYO | VICE PRESIDENT FOR INDUSTRY Trustee or director, Officer | 7.5 | $0 | $0 |
| JAMES G NAGY | VICE PRESIDENT FOR PROGRAMS Trustee or director, Officer | 7.5 | $0 | $0 |
| HOWARD ELMAN | VICE PRESIDENT FOR PUBLICATIONS Trustee or director, Officer | 7.5 | $0 | $0 |
| ALEJANDRO ACEVES | VICE PRESIDENT FOR SCIENCE POLICY Trustee or director, Officer | 7.5 | $0 | $0 |
| LILIANA BORCEA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RAYMOND CHAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RICARDO CORTEZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| THOMAS A GRANDINE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JAN HESTHAVEN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ESMONG NG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALISON RAMAGE | TRUSTEE- CHAIRPERSON Trustee or director, Officer | 1 | $0 | $0 |
| BEATRICE RIVIERE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BONITA V SAUNDERS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHI-WANG SHU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ULRIKE YANG | TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 3600 MARKET ST 6TH FL, PHILADELPHIA, PA 19104-2669
- In care of
- % SUSAN PALANTINO
- Principal officer (990 for 2024)
- SUSAN A PALANTINO, 3600 MARKET STREET 6TH FLOOR, PHILADELPHIA, PA 19104
- Signed the 990
- SUSAN A PALANTINO, CHIEF FINANCIAL OFFICER
- Phone
- (215) 382-9800
- Website
- WWW.SIAM.ORG
- Return prepared by
- CBIZ ADVISORS LLC
Mission
INCORPORATED IN 1952 AS A NON-PROFIT ORGANIZATION, SIAM HAS WORKED TOWARD THE FOLLOWING GOALS FOR MORE THAN 70 YEARS:-TO ADVANCE THE APPLICATION OF MATHEMATICS AND COMPUTATIONAL SCIENCE TO ENGINEERING, INDUSTRY, SCIENCE, AND SOCIETY;-TO PROMOTE RESEARCH THAT WILL LEAD TO EFFECTIVE NEW MATHEMATICAL AND COMPUTATIONAL METHODS AND TECHNIQUES FOR SCIENCE, ENGINEERING, INDUSTRY, AND SOCIETY;-TO PROVIDE MEDIA FOR THE EXCHANGE OF INFORMATION AND IDEAS AMONG MATHEMATICIANS, ENGINEERS, AND SCIENTISTS.
Program accomplishments
- SIAM'S PUBLICATIONS ARE A MEANS OF MEETING ONE OF THE PRIMARY OBJECTIVES FOR ORGANIZING THE SOCIETY: TO PROVIDE MEDIA FOR THE EXCHANGE OF INFORMATION AND IDEAS BETWEEN MATHEMATICIANS AND OTHER SCIENTISTS. SIAM'S JOURNAL PROGRAM PRODUCES 18 QUALITY, PEER-REVIEWED JOURNALS THAT ARE RESPECTED AND HIGHLY CITED THROUGHOUT THE APPLIED MATHEMATICS AND COMPUTATIONAL SCIENCE COMMUNITY. SIAM PUBLISHES APPROXIMATELY 20 HIGH-QUALITY BOOKS A YEAR BY AUTHORS WHO ARE EXPERTS IN THEIR FIELD, MAKING RELEVANT RESEARCH RESULTS ACCESSIBLE TO INDUSTRY AND SCIENCE WHILE ALSO PROMOTING THE INTERACTION BETWEEN MATHEMATICS AND OTHER DISCIPLINES SUCH AS ENGINEERING, SCIENCE, AND COMPUTING. SIAM NEWS, PUBLISHED 10 TIMES PER YEAR, IS THE NEWS JOURNAL REPORTING ON ISSUES AND DEVELOPMENTS AFFECTING THE APPLIED AND COMPUTATIONAL MATHEMATICS COMMUNITY. SIAM ALSO PUBLISHES UNDERGRADUATE RESEARCH ONLINE (SIURO), AN OPEN-ACCESS PUBLICATION FOR UNDERGRADUATES.Expenses $5,910,643 · revenue $6,099,939
- SIAM'S CONFERENCE PROGRAM PROVIDES MEMBERS AND ATTENDEES WITH A BROAD VIEW OF THE STATE-OF-THE-ART IN APPLIED MATHEMATICS AND COMPUTATIONAL SCIENCE. THROUGH INVITED PRESENTATIONS, PRIZE LECTURES, MINISYMPOSIA, MINI-TUTORIALS, CONTRIBUTED PAPERS, AND POSTERS, MEMBERS ARE ABLE TO JOIN THEIR PEERS AND LEADING EXPERTS IN THE FIELD TO EXCHANGE IDEAS AND TO EXPAND THEIR PERSONAL AND PROFESSIONAL NETWORKS. SIAM HOLDS TEN TO TWELVE CONFERENCES EACH YEAR, EACH FOCUSED ON TIMELY TOPICS IN APPLIED MATHEMATICS AND COMPUTATIONAL SCIENCE. THE WORK AT THESE CONFERENCES HELPS DEMONSTRATE THAT MANY SOCIETAL PROBLEMS CAN BE SOLVED THROUGH VARIOUS METHODS OF APPLIED MATHEMATICS AND COMPUTATIONAL SCIENCE. SIAM OFFERS TRAVEL SUPPORT FOR STUDENTS THROUGH SIAM STUDENT TRAVEL AWARDS TO ATTEND THE CONFERENCES.Expenses $3,732,690 · grants $109,936 · revenue $3,159,355
- THROUGH SIAM MEMBERSHIP, INDIVIDUALS PARTICIPATE IN THE INTERNATIONAL COMMUNITY OF OVER 14,300 MATHEMATICIANS, COMPUTER SCIENTISTS, NUMERICAL ANALYSTS, ENGINEERS, STATISTICIANS, PHYSICISTS, EDUCATORS, AND STUDENTS FROM 103 COUNTRIES SUPPORTING THE PROFESSION AND ADVANCING THE FIELDS OF APPLIED MATHEMATICS AND COMPUTATIONAL SCIENCE. MEMBERSHIP ALLOWS BOTH PROFESSIONALS AND STUDENTS THE OPPORTUNITY TO NETWORK AND EXCHANGE IDEAS WITH PEERS, VISIBILITY IN THE APPLIED SCIENCE, MATHEMATICS, AND COMPUTATIONAL SCIENCE COMMUNITIES, ACCESS TO CUTTING-EDGE RESEARCH, AND THE OPPORTUNITY TO SERVE ON SIAM COMMITTEES TO HELP GUIDE THE FUTURE OF APPLIED MATHEMATICS AND COMPUTATIONAL SCIENCE.Expenses $959,053 · revenue $1,034,190
- OTHER PROGRAMS INCLUDE THE M3 CHALLENGE, WHICH IS AN APPLIED MATHEMATICS COMPETITION FOR HIGH SCHOOL STUDENTS AND OTHER PROGRAMS TO SUPPORT STUDENTS AND EARLY CAREER APPLIED MATHEMATICIANS.Expenses $1,610,654 · grants $224,996 · revenue $1,354,450
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
- 23-1496016
- 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
- 1953
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U34C)
- Assets (IRS master file)
- $61,103,168
- Income (IRS master file)
- $18,232,170
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $17,724,481 | $17,877,072 | $61,103,168 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $15,435,934 | $15,162,511 | $56,575,127 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $14,882,104 | $13,907,260 | $50,715,665 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | 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 23-1496016).
Questions about SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS
- What is the EIN of SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS?
- The employer identification number (EIN) of SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS is 23-1496016.
- Is SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1953.
- Are donations to SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS 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 INDUSTRIAL AND APPLIED MATHEMATICS 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 SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS 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 SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS?
- The 990 for the year ended December 31, 2024 names SUSAN A PALANTINO.
- Who are the officers and directors of SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS?
- The 990 for the year ended December 31, 2024 lists 29 people; 7 received compensation from the organization, the highest $399,604 (SUZANNE L WEEKES, CHIEF EXECUTIVE OFFICER).
- How much revenue does SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $17,724,481, expenses of $17,877,072 and total assets of $61,103,168 at year end.
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