Civic Intelligence

National Hellenic Museum

990 • Fiscal year 2024 • EIN 36-3568402

Jan 01, 2024 to Dec 31, 2024 • Filed on Oct 07, 2025

Organization Profilewww.nationalhellenicmuseum.org
333 South Halsted StreetChicago, IL 60661

(312) 655-1234

Siviq Scores

Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.

Liabilities / Assets

61st percentile

0.28x

Higher debt load relative to assets than 61% of similar nonprofits.

2024 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2024

Liabilities / Revenue

91st percentile

2.76x

Higher debt load relative to revenue than 91% of similar nonprofits.

2024 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2024

Net Margin

6th percentile

-46%

Higher net margin than 6% of similar nonprofits.

2024 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2024

Top Officer Pay

44th percentile

$167,553

Higher top officer pay than 44% of similar nonprofits.

Top officer pay equals 10.8% of source-year revenue.

2024 filings • 501(c)3 • $10M-$25M nonprofits • Source year 2024

Asset Growth

13th percentile

-6.7%

Faster asset growth than 13% of similar nonprofits.

2024 filings • 501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2024

Revenue Growth

8th percentile

-33%

Faster revenue growth than 8% of similar nonprofits.

2024 filings • 501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets61st percentile

Assets

Down

$15,430,127

Down $1,116,804 (-6.7%) from 2023

Net Assets

Down

$11,136,124

Down $682,939 (-5.8%) from 2023

Liabilities

Down

$4,294,003

Down $433,865 (-9.2%) from 2023

Revenue And Expenses
Liabilities / Revenue91st percentileNet Margin6th percentile

Revenue

Down

$1,556,220

Down $772,207 (-33%) from 2023

Expenses

Down

$2,265,324

Down $14,485 (-0.6%) from 2023

Net Income

Down

-$709,104

Down $757,722 (-1559%) from 2023

Historical Trend

Balance Sheet Trend

Asset Growth13th percentile

The highlighted filing sits inside the broader history for assets, liabilities, and net assets.

$20M$15M$10M$5.0M$0Assets 2013: $18,722,745Liabilities 2013: $7,805,797Net Assets 2013: $10,916,9482013Assets 2014: $19,501,602Liabilities 2014: $7,163,400Net Assets 2014: $12,338,2022014Assets 2015: $18,774,637Liabilities 2015: $6,393,113Net Assets 2015: $12,381,5242015Assets 2016: $18,199,762Liabilities 2016: $6,194,674Net Assets 2016: $12,005,0882016Assets 2017: $17,360,334Liabilities 2017: $5,891,843Net Assets 2017: $11,468,4912017Assets 2018: $17,066,063Liabilities 2018: $5,673,551Net Assets 2018: $11,392,5122018Assets 2019: $16,276,289Liabilities 2019: $5,406,694Net Assets 2019: $10,869,5952019Assets 2020: $17,117,324Liabilities 2020: $5,555,000Net Assets 2020: $11,562,3242020Assets 2021: $16,982,470Liabilities 2021: $5,152,379Net Assets 2021: $11,830,0912021Assets 2022: $16,787,934Liabilities 2022: $5,008,422Net Assets 2022: $11,779,5122022Assets 2023: $16,546,931Liabilities 2023: $4,727,868Net Assets 2023: $11,819,0632023Assets 2024: $15,430,127Liabilities 2024: $4,294,003Net Assets 2024: $11,136,1242024

Highlighted filing

2024

Assets$15,430,127
Liabilities$4,294,003
Net Assets$11,136,124
Open 2024 Filing

Operations Trend

Revenue Growth8th percentile

Revenue, expenses, and net income across loaded years, with this filing highlighted.

$6.0M$4.0M$2.0M$0-$2.0MRevenue 2013: $4,797,625Expenses 2013: $2,452,211Net Income 2013: $2,345,4142013Revenue 2014: $4,308,448Expenses 2014: $2,995,721Net Income 2014: $1,312,7272014Revenue 2015: $3,858,620Expenses 2015: $3,968,918Net Income 2015: -$110,2982015Revenue 2016: $3,306,691Expenses 2016: $3,593,102Net Income 2016: -$286,4112016Revenue 2017: $2,187,766Expenses 2017: $2,923,962Net Income 2017: -$736,1962017Revenue 2018: $2,410,535Expenses 2018: $2,429,089Net Income 2018: -$18,5542018Revenue 2019: $1,711,326Expenses 2019: $2,225,267Net Income 2019: -$513,9412019Revenue 2020: $2,155,825Expenses 2020: $1,507,955Net Income 2020: $647,8702020Revenue 2021: $1,620,518Expenses 2021: $1,459,156Net Income 2021: $161,3622021Revenue 2022: $1,940,512Expenses 2022: $1,989,279Net Income 2022: -$48,7672022Revenue 2023: $2,328,427Expenses 2023: $2,279,809Net Income 2023: $48,6182023Revenue 2024: $1,556,220Expenses 2024: $2,265,324Net Income 2024: -$709,1042024

Highlighted filing

2024

Revenue$1,556,220
Expenses$2,265,324
Net Income-$709,104
Open 2024 Filing
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Oct 7, 2025
Return Version
2024v5.2
Gross Receipts
$2,118,688
Mission and Program Overview

Mission

The national hellenic museum tours, school programs, classes, events, children's and family programs use the museum's permanent and temporary exhibitions as a foundation for learning. All of the educational programs for children and adults are offered to encourage experiential learning as well as offer new ways of thinking about greek history and greek culture.

The national museum tours, school programs, classes, events, children's and family programs use the museum's permanent and temporary exhibitions as a foundation for learning. All of the educational programs for children and adults are offered to encourage experiential learning as well as offer new ways of thinking about greek history and greek culture.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$14,087,201$13,663,806▼ $423,395
Cash and Non-Interest-Bearing Accounts$1,406,739$975,433▼ $431,306
Investments in Publicly Traded Securities$846,522$564,763▼ $281,759
Prepaid Expenses and Deferred Charges$37,734$50,807▲ $13,073
Pledges and Grants Receivable$31,647$46,693▲ $15,046
Inventories for Sale or Use$16,099$16,354▲ $255
Savings and Temporary Cash Investments-$0-
Accounts Receivable-$0-
Other Notes and Loans Receivable, Net-$0-
Receivable From Disqualified Prsn-$0-
Receivables From Officers Etc-$0-
Investments Other Securities-$0-
Investments Program Related-$0-
Intangible Assets-$0-
Total Assets$16,546,931$15,430,127▼ $1,116,804
Other Assets Total$120,989$112,271▼ $8,718
Liabilities
Tax Exempt Bond Liabilities$4,409,509$4,112,810▼ $296,699
Accounts Payable and Accrued Expenses$221,087$109,478▼ $111,609
Other Liabilities$97,272$71,715▼ $25,557
Total Liabilities$4,727,868$4,294,003▼ $433,865
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$10,513,031$10,330,780▼ $182,251
Net Assets With Donor Restrictions$1,306,032$805,344▼ $500,688
Total Net Assets Fund Balance$11,819,063$11,136,124▼ $682,939
Total Liabilities and Net Assets / Fund Balance$16,546,931$15,430,127▼ $1,116,804

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$9,248,685$5,739,662$14,988,347
Land$3,601,176-$3,601,176
Other Land Buildings$813,945$-83,752$730,193
Compensation and Service Providers
Top Officer Pay44th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Marianne KountouresExecutive DirectorFT$154,365$13,188$167,553

Board Members and Trustees

NameTitle
John Calamos SrChairman
Aristotle HalikiasVice Chairman
Peter ParthenisVice Chairman
Alex GianarasTrustee
Andrea DarlaTrustee
C Dean MetropoulosTrustee
Demetrios LogothetisTrustee
Dr George K BovisTrustee
George TsetsekosTrustee
Hon Judge Anna DemacopoulosTrustee
John S KoudounisTrustee
John V KalantzisTrustee
Kenneth KondrarosTrustee
Paul AthensTrustee
William G ConopeotisTrustee
Yanni SianisTrustee
Konstantinos ArmirosSecretary
Bill J VranasTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$1,755,011
Program Service Revenue
$40,219
Investment Income
$59,247
Other Revenue
$-298,257
All Other Contributions
$707,685
Change in Net Assets
$-709,104
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$1,354,587
Salaries, Compensation, and Employee Benefits$910,737
Total Fundraising Expense$353,805
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$347,170$167,514$173,048$687,732
Depreciation Depletion-$451,897-$451,897
Interest-$291,469-$291,469
Occupancy$32,896$202,580-$235,476
Current Officers, Directors, Trustees, and Key Employees$15,436$77,182$61,746$154,364
Advertising$13,461$6,359$52,308$72,128
Payroll Taxes$35,692$23,338$9,611$68,641
Office Expenses$1,712$56,472$1,712$59,896
Information Technology$1,524$1,524$47,759$50,807
Fees for Services Accounting-$42,240-$42,240
Fees for Services Other-$37,719-$37,719
Insurance-$36,517-$36,517
Other Expenses$668$7,291$668$8,627
All Other Expenses$562-$6,953$7,515
Total Functional Expenses$500,344$1,411,175$353,805$2,265,324
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Direct Expenses$540,315
Fundraising Gross Income$233,622
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Gala$1,008,950$194,689$236,265$-41,576
Trial$195,433$23,933$38,677$-14,744
Total Events$1,266,383$233,622$540,315$-306,693
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-
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Deferred interest exp$71,715

Bond Issues

BondIssuerIssuedIssue PricePurpose
AIllinois Finance Authorit2012-02-29$8,000,000Build Museum

Bond Proceeds

BondTotal ProceedsSpentRetiredIssuance Costs
A$8,000,000-$3,887,190-

Bond Financing Compliance

No rebate due
No
Rebate not yet due
No
Form 8038-T filed
No
Gross proceeds invested
No
Gross proceeds invested in GIC
No
Exception to rebate
No
Corrective action procedures
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Backup withholding compliance
No
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
No
Other officer compensation reviewed
No
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 2

“Calamos investmentscalamos investmentschairmanceobusiness”

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

“Organization's process to review form 990 the full board review the form 990 at a board meeting prior to its filing.”

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

“The national hellenic museum board formally reviews and signs a conflict of interest policy each year as well as the executive committee discusses as needed during regular meetings as situations or questions arise.”

Form 990, Part VI, Section C, Line 19

“No documents available to the public.”

Filing and Contact Details

Filer

Filer Name
National Hellenic Museum
EIN
36-3568402
Phone
3126551234
Address
333 South Halsted Street, Chicago, IL 60661

Signing Officer

Name
Bill J Vranas
Title
Treasurer
Signed
2025-10-07
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Marianne Kountoures
Formed
1987
Legal Domicile
Il
Voting Board Members
18
Independent Board Members
18
Employees
12
Volunteers
35

Preparer

Firm
Adducci Vega Financial Group LLC
Address
7808 WEST COLLEGE DRIVE STE 3W, PALOS HEIGHTS, IL 60463
Preparer
James Adducci
Phone
7085943838
Supplemental Narrative

Financial Statement Notes

Part III, Line 1A: If organization elected under SFAS 116 to not report are, historical treasures, O

“Maintained Collections of art, historical treasures, or similar assets”

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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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IRS990/Form990PartVIISectionAGrp/PersonNm11Demetrios Logothetis
IRS990/Form990PartVIISectionAGrp/PersonNm12C Dean Metropoulos
IRS990/Form990PartVIISectionAGrp/PersonNm13George Tsetsekos
IRS990/Form990PartVIISectionAGrp/PersonNm14Kenneth Kondraros
IRS990/Form990PartVIISectionAGrp/PersonNm15Alex Gianaras
IRS990/Form990PartVIISectionAGrp/PersonNm16Yanni Sianis
IRS990/Form990PartVIISectionAGrp/PersonNm17John V Kalantzis
IRS990/Form990PartVIISectionAGrp/PersonNm18Hon Judge Anna Demacopoulos
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IRS990/Form990PartVIISectionAGrp/TitleTxt0Executive Dir.
IRS990/Form990PartVIISectionAGrp/TitleTxt1Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt2Chairman
IRS990/Form990PartVIISectionAGrp/TitleTxt3Secretary
IRS990/Form990PartVIISectionAGrp/TitleTxt4Vice Chairman
IRS990/Form990PartVIISectionAGrp/TitleTxt5Vice Chairman
IRS990/Form990PartVIISectionAGrp/TitleTxt6Treasurer
IRS990/Form990PartVIISectionAGrp/TitleTxt7Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt8Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt9Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt10Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt11Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt12Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt13Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt14Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt15Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt16Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt17Trustee
IRS990/Form990PartVIISectionAGrp/TitleTxt18Trustee
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IRS990/FundraisingActivitiesInd0true
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IRS990/FundraisingDirectExpensesAmt0540315
IRS990/FundraisingGrossIncomeAmt0233622
IRS990/GamingActivitiesInd0false
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IRS990/GrantsToDomesticOrgsGrp/TotalAmt00
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IRS990/GrantsToOrganizationsInd0false
IRS990/GrantToRelatedPersonInd0false
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IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt01524
IRS990/InformationTechnologyGrp/ProgramServicesAmt01524
IRS990/InformationTechnologyGrp/TotalAmt050807
IRS990/InsuranceGrp/ManagementAndGeneralAmt036517
IRS990/InsuranceGrp/TotalAmt036517
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IRS990/InterestGrp/TotalAmt0291469
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IRS990/InventoriesForSaleOrUseGrp/EOYAmt016354
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IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt059247
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IRS990/InvestmentsProgramRelatedGrp/EOYAmt00
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IRS990/InvestmentsPubTradedSecGrp/EOYAmt0564763
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IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
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IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd0true
IRS990/MinutesOfGoverningBodyInd0true
IRS990/MissionDesc0THE NATIONAL MUSEUM TOURS, SCHOOL PROGRAMS, CLASSES, EVENTS, CHILDREN'S AND FAMILY PROGRAMS USE THE MUSEUM'S PERMANENT AND TEMPORARY EXHIBITIONS AS A FOUNDATION FOR LEARNING. ALL OF THE EDUCATIONAL PROGRAMS FOR CHILDREN AND ADULTS ARE OFFERED TO ENCOURAGE EXPERIENTIAL LEARNING AS WELL AS OFFER NEW WAYS OF THINKING ABOUT GREEK HISTORY AND GREEK CULTURE.
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
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IRS990/NetAssetsOrFundBalancesEOYAmt011136124
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IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt08436
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IRS990/OccupancyGrp/ProgramServicesAmt032896
IRS990/OccupancyGrp/TotalAmt0235476
IRS990/OfficeExpensesGrp/FundraisingAmt01712
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IRS990/OfficeExpensesGrp/ProgramServicesAmt01712
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IRS990/OnBehalfOfIssuerInd0false
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IRS990/OrganizationFollowsFASB117Ind0X
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IRS990/OtherAssetsTotalGrp/EOYAmt0112271
IRS990/OtherEmployeeBenefitsGrp/TotalAmt00
IRS990/OtherExpensesGrp/Desc0Education and program
IRS990/OtherExpensesGrp/Desc1Exhibits expense
IRS990/OtherExpensesGrp/Desc2Misc
IRS990/OtherExpensesGrp/Desc3equipment lease
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IRS990/OtherExpensesGrp/ProgramServicesAmt024387
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IRS990/OtherExpensesGrp/ProgramServicesAmt23141
IRS990/OtherExpensesGrp/ProgramServicesAmt3668
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IRS990/OtherExpensesGrp/TotalAmt123695
IRS990/OtherExpensesGrp/TotalAmt212214
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IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt050807
IRS990/PrincipalOfficerNm0Marianne Kountoures
IRS990/ProfessionalFundraisingInd0false
IRS990/ProgramServiceRevenueGrp/Desc0Admissions
IRS990/ProgramServiceRevenueGrp/Desc1Educational Program
IRS990/ProgramServiceRevenueGrp/Desc2Museum Store
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IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt121102
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt25838
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt013279
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt121102
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt25838
IRS990/ProgSrvcAccomActy2Grp/Desc0MUSEUM STORE - SALES OF EDUCATIONAL BOOKS AND MATERIALS TO SUPPLEMENT CURRENT MUSEUM DISPLAYS.
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IRS990/ProgSrvcAccomActy2Grp/RevenueAmt05838
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt02544165
IRS990/PYExcessBenefitTransInd0false

Document Assets

No mirrored PDF or thumbnail assets are attached yet.

Filings

Displayed year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$15,430,127
Liabilities
$4,294,003
Net assets
$11,136,124
Revenue
$1,556,220
Expenses
$2,265,324
Net income
-$709,104
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$15.4$4.29$11.1$1.56$2.27$0.71
2023Detailed filing. Detailed filing data is available for this year.$16.5$4.73$11.8$2.33$2.28$0.05
2022Detailed filing. Detailed filing data is available for this year.$16.8$5.01$11.8$1.94$1.99$0.05
2021Detailed filing. Detailed filing data is available for this year.$17.0$5.15$11.8$1.62$1.46$0.16
2020Detailed filing. Detailed filing data is available for this year.$17.1$5.56$11.6$2.16$1.51$0.65
2019Detailed filing. Detailed filing data is available for this year.$16.3$5.41$10.9$1.71$2.23$0.51
2018Detailed filing. Detailed filing data is available for this year.$17.1$5.67$11.4$2.41$2.43$0.02
2017Detailed filing. Detailed filing data is available for this year.$17.4$5.89$11.5$2.19$2.92$0.74
2016Detailed filing. Detailed filing data is available for this year.$18.2$6.19$12.0$3.31$3.59$0.29
2015Detailed filing. Detailed filing data is available for this year.$18.8$6.39$12.4$3.86$3.97$0.11
2014Detailed filing. Detailed filing data is available for this year.$19.5$7.16$12.3$4.31$3.00$1.31
2013Detailed filing. Detailed filing data is available for this year.$18.7$7.81$10.9$4.80$2.45$2.35