Nonprofit · EIN 13-5658824
TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS
Also known as ASCS
Tax-exempt · PRINCETON, NJ 08540
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $19,754,731 | $13,922,540 | $5,832,191 | $249,391,183 | $835,529 | $248,555,654 |
| June 30, 2024 | 990 | $14,048,677 | $14,338,409 | -$289,732 | $230,009,662 | $1,116,890 | $228,892,772 |
| June 30, 2023 | 990 | $9,184,944 | $11,582,556 | -$2,397,612 | $219,221,964 | $618,426 | $218,603,538 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $10,273,516
- of which government grants
- $90,000
- Program service revenue
- $877,952
- Investment income
- $8,221,546
- Net gain from sales of assets
- $3,590,635
- Net income from fundraising events
- $381,717
- Other revenue
- $381,717
Expenses
- Grants and similar amounts paid
- $690,695
- Compensation of officers, directors and key employees
- $1,482,900
- Other salaries and wages
- $3,296,176
- Salaries, compensation and benefits (total)
- $6,144,908
- Professional fundraising fees
- $0
- Legal fees
- $97,054
- Accounting fees
- $150,536
- Occupancy
- $993,875
- Travel
- $88,399
- Depreciation
- $1,486,575
- Program services (functional)
- $11,353,979
- Management and general (functional)
- $1,655,348
- Fundraising (functional)
- $913,213
Balance sheet and other
- Total assets, start of year
- $230,009,662
- Total assets, end of year
- $249,391,183
- Total liabilities, end of year
- $835,529
- Net assets, end of year
- $248,555,654
- Land, buildings and equipment
- $16,965,341
- Publicly traded securities
- $177,875,788
- Net assets without donor restrictions
- $111,638,445
- Net assets with donor restrictions
- $136,917,209
- Gross receipts
- $19,973,578
- Employees
- 24
- Volunteers
- 0
- Year formed
- 1881
- State of legal domicile
- MA
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| G Orfanakos | Executive Director Key employee | 40 | $292,728 | $29,208 |
| P Panos euro salaried Note Sch J | General Manager Key employee | 40 | $185,747 | $25,361 |
| M Georgopoulou | Library Director Highest-paid employee | 40 | $118,227 | $83,823 |
| M Schneller | Director of Finance and Administration Key employee | 40 | $158,416 | $43,193 |
| C Mauzy | Excavation Deputy Director Highest-paid employee | 40 | $110,409 | $29,437 |
| C Stein | Publications Director Highest-paid employee | 40 | $104,730 | $19,358 |
| C Davies | Communication Director Highest-paid employee | 40 | $101,836 | $10,357 |
| P Karkanas | Lab Director Highest-paid employee | 40 | $107,472 | $2,652 |
| B Wescoat | Director of School Key employee | 40 | $0 | $45,562 |
| F Beinecke | Trustee Trustee or director | 0 | $0 | $0 |
| M Lefkowitz | Trustee Trustee or director | 0 | $0 | $0 |
| R Maguire | Trustee Trustee or director | 0 | $0 | $0 |
| N Honeyman | Trustee Trustee or director | 0 | $0 | $0 |
| T Melas-Kyriazi | Trustee Trustee or director | 0 | $0 | $0 |
| S Missoffe | Trustee Trustee or director | 0 | $0 | $0 |
21 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| A Packard-Martell | Trustee Trustee or director | 0 | $0 |
| W Slaughter | Trustee Trustee or director | 0 | $0 |
| C Steinmetz | Trustee Trustee or director | 0 | $0 |
| P Tamvakakis | Trustee Trustee or director | 0 | $0 |
| A Zombanakis | Trustee Trustee or director | 0 | $0 |
| K Yatrakis | Trustee Trustee or director | 0 | $0 |
| J Camp | Trustee Trustee or director | 0 | $0 |
| A Zagoreos | Chairman Trustee or director, Officer | 2 | $0 |
| W Loomis | President Trustee or director, Officer | 12 | $0 |
| C Dakolias | Treasurer Trustee or director, Officer | 0 | $0 |
| J McCabe | Secretary Trustee or director, Officer | 0 | $0 |
| S Andris | Trustee Trustee or director | 0 | $0 |
| J Buikstra | Trustee Trustee or director | 0 | $0 |
| J Cohen | Trustee Trustee or director | 0 | $0 |
| H Davis | Trustee Trustee or director | 0 | $0 |
| J Davis | Trustee Trustee or director | 0 | $0 |
| R Desnick | Trustee Trustee or director | 0 | $0 |
| A Georges | Trustee Trustee or director | 0 | $0 |
| G Lavender | Trustee Trustee or director | 0 | $0 |
| M Lawall | Trustee Trustee or director | 20 | $0 |
| K Shanmugam | Trustee Trustee or director | 0 | $0 |
990 for the year ended June 30, 2024: 34 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| G Orfanakos | Executive Director Key employee | 40 | $283,073 | $28,242 |
| P Panos euro salaried Note Sch J | General Manager Key employee | 40 | $180,276 | $26,113 |
| M Georgopoulou | Library Director Highest-paid employee | 40 | $114,229 | $82,748 |
| M Schneller | Director of Finance and Administration Key employee | 40 | $153,059 | $43,163 |
| R Burke | Mellon Professor Highest-paid employee | 40 | $132,925 | $53,577 |
| C Mauzy | Excavation Deputy Director Highest-paid employee | 40 | $106,676 | $28,380 |
| B Wescoat | Director of School Key employee | 40 | $0 | $41,538 |
| F Beinecke | Trustee Trustee or director | 0 | $0 | $0 |
| M Lefkowitz | Trustee Trustee or director | 0 | $0 | $0 |
| R Maguire | Trustee Trustee or director | 0 | $0 | $0 |
| G Marcus | Trustee Trustee or director | 0 | $0 | $0 |
| T Melas-Kyriazi | Trustee Trustee or director | 0 | $0 | $0 |
| S Missoffe | Trustee Trustee or director | 0 | $0 | $0 |
| A Packard-Martell | Trustee Trustee or director | 0 | $0 | $0 |
| W Slaughter | Trustee Trustee or director | 0 | $0 | $0 |
| C Steinmetz | Trustee Trustee or director | 0 | $0 | $0 |
| P Tamvakakis | Trustee Trustee or director | 0 | $0 | $0 |
| A Zombanakis | Trustee Trustee or director | 0 | $0 | $0 |
| K Yatrakis | Trustee Trustee or director | 0 | $0 | $0 |
| J Camp | Trustee Trustee or director | 0 | $0 | $0 |
| A Zagoreos | Chairman Trustee or director, Officer | 2 | $0 | $0 |
| W Loomis | President Trustee or director, Officer | 12 | $0 | $0 |
| C Dakolias | Treasurer Trustee or director, Officer | 0 | $0 | $0 |
| J McCabe | Secretary Trustee or director, Officer | 0 | $0 | $0 |
| S Andris | Trustee Trustee or director | 0 | $0 | $0 |
| J Buikstra | Trustee Trustee or director | 0 | $0 | $0 |
| J Cohen | Trustee Trustee or director | 0 | $0 | $0 |
| H Davis | Trustee Trustee or director | 0 | $0 | $0 |
| J Davis | Trustee Trustee or director | 0 | $0 | $0 |
| R Desnick | Trustee Trustee or director | 0 | $0 | $0 |
| A Georges | Trustee Trustee or director | 0 | $0 | $0 |
| G Lavender | Trustee Trustee or director | 0 | $0 | $0 |
| M Lawall | Trustee Trustee or director | 20 | $0 | $0 |
| K Shanmugam | Trustee Trustee or director | 0 | $0 | $0 |
990 for the year ended June 30, 2023: 34 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| G Orfanakos | Executive Director Key employee | 40 | $271,875 | $27,126 |
| P Panos euro salaried Note Sch J | General Manager Key employee | 40 | $167,702 | $24,904 |
| M Schneller | Director of Finance and Administration Key employee | 40 | $146,845 | $43,263 |
| M Georgopoulou | Library Director Highest-paid employee | 40 | $109,591 | $80,297 |
| R Burke | Mellon Professor Highest-paid employee | 40 | $133,339 | $52,007 |
| J Neils | Director of the School Key employee | 40 | $91,264 | $38,102 |
| C Mauzy | Excavation Deputy Director Highest-paid employee | 40 | $102,345 | $26,964 |
| B Wescoat | Director of School Key employee | 40 | $0 | $18,001 |
| M Lefkowitz | Trustee Trustee or director | 0 | $0 | $0 |
| R Maguire | Trustee Trustee or director | 0 | $0 | $0 |
| G Marcus | Trustee Trustee or director | 0 | $0 | $0 |
| T Melas-Kyriazi | Trustee Trustee or director | 0 | $0 | $0 |
| S Missoffe | Trustee Trustee or director | 0 | $0 | $0 |
| A Packard-Martell | Trustee Trustee or director | 0 | $0 | $0 |
| W Slaughter | Trustee Trustee or director | 0 | $0 | $0 |
| C Steinmetz | Trustee Trustee or director | 0 | $0 | $0 |
| P Tamvakakis | Trustee Trustee or director | 0 | $0 | $0 |
| A Zombanakis | Trustee Trustee or director | 0 | $0 | $0 |
| J Camp | Trustee Trustee or director | 0 | $0 | $0 |
| A Zagoreos | Chairman Trustee or director, Officer | 2 | $0 | $0 |
| W Loomis | President Trustee or director, Officer | 12 | $0 | $0 |
| C Dakolias | Treasurer Trustee or director, Officer | 0 | $0 | $0 |
| J McCabe | Secretary Trustee or director, Officer | 0 | $0 | $0 |
| S Andris | Trustee Trustee or director | 0 | $0 | $0 |
| J Buikstra | Trustee Trustee or director | 0 | $0 | $0 |
| J Cohen | Trustee Trustee or director | 0 | $0 | $0 |
| H Davis | Trustee Trustee or director | 0 | $0 | $0 |
| J Davis | Trustee Trustee or director | 0 | $0 | $0 |
| R Desnick | Trustee Trustee or director | 0 | $0 | $0 |
| A Georges | Trustee Trustee or director | 0 | $0 | $0 |
| G Lavender | Trustee Trustee or director | 0 | $0 | $0 |
| M Lawall | Trustee Trustee or director | 20 | $0 | $0 |
| K Shanmugam | Trustee Trustee or director | 0 | $0 | $0 |
| F Beinecke | Trustee Trustee or director | 0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 321 WALL ST, PRINCETON, NJ 08540-1515
- In care of
- % WILLIAM T LOOMIS
- Principal officer (990 for 2024)
- William T Loomis, 321 Wall St, Princeton, NJ 085401515
- Signed the 990
- Maribeth, Schneller
- Phone
- (609) 454-6814
- Website
- www.ascsa.edu.gr
Mission
The broad mission of the ASCSA has remained constant over its distinguished history: teaching research archaeological exploration publication and dissemination of research. Founded in 1881 the ASCSA provides graduate students and scholars from a consortium of nearly 200 leading North American colleges universities and research institutions a base for research and study in Greece.
Program accomplishments
- Instructional and Student Services: The School is a non-degree granting overseas research institution with a 9-month program of study for approximately 20 graduate-level students an independent study facility for over 80 post-graduate scholars one 6-week summer program for about 20 students and teachers and two 3-week summer programs with approximately 15 students in each. In addition there are study trips made available to students and visiting scholars. The School maintains approximately 4 full-year faculty on site each year.Expenses $2,548,941 · grants $524,945 · revenue $2,589,460
- Excavations: The School maintains two year-round excavation sites in the Athenian Agora and at Ancient Corinth. In the spring approximately 20 students take part in three 4-week excavation sessions at Corinth and during the summer approximately 40 students take part in an 8-week excavation season at the Agora. Both excavations maintain archaeological collections which are overseen by the Greek Archaeological Service.Expenses $4,335,562 · grants $165,750 · revenue $4,897,988
- Publication and Libraries: The American School maintains and operates two research libraries holding about 268,000 volumes in total. The Blegen Library has one of the most complete collections in the world for research in the civilization of ancient Greece. The Gennadius Library houses both volumes and electronic resources which comprise one of the most significant collections for the study of Hellenic civilization after the end of antiquity. The School publishes scholarly research in the form of books 3-5 volumes per year and a quarterly journal.Expenses $4,469,476 · revenue $2,945,269
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 13-5658824
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1932
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A73Z)
- Assets (IRS master file)
- $249,391,183
- Income (IRS master file)
- $19,973,578
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $19,754,731 | $13,922,540 | $249,391,183 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | June 2024 | $14,048,677 | $14,338,409 | $230,009,662 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | June 2023 | $9,184,944 | $11,582,556 | $219,221,964 | XML |
| 990 | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | 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 13-5658824).
Questions about TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS
- What is the EIN of TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS?
- The employer identification number (EIN) of TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS is 13-5658824.
- Is TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1932.
- Are donations to TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS 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 TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS?
- The 990 for the year ended June 30, 2025 names William T Loomis.
- Who are the officers and directors of TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS?
- The 990 for the year ended June 30, 2025 lists 36 people; 8 received compensation from the organization, the highest $292,728 (G Orfanakos, Executive Director).
- How much revenue does TRUSTEES OF THE AMERICAN SCHOOL OF CLASSICAL STUDIES AT ATHENS have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $19,754,731, expenses of $13,922,540 and total assets of $249,391,183 at year end.
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