Nonprofit · EIN 46-0603585
MASON KOREA LLC
Tax-exempt · FAIRFAX, VA 22030
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $15,776,102 | $14,539,024 | $1,237,078 | $12,491,200 | $601,892 | $11,889,308 |
| December 31, 2024 | 990 | $15,707,964 | $13,376,351 | $2,331,613 | $11,353,610 | $545,132 | $10,808,478 |
| December 31, 2023 | 990 | $13,917,472 | $11,971,610 | $1,945,862 | $10,746,824 | $533,339 | $10,213,485 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $100,084
- Program service revenue
- $15,672,422
- Investment income
- $196,539
- Other revenue
- -$192,943
Expenses
- Grants and similar amounts paid
- $2,668,169
- Compensation of officers, directors and key employees
- $1,473,861
- Other salaries and wages
- $5,131,304
- Salaries, compensation and benefits (total)
- $8,129,715
- Professional fundraising fees
- $0
- Occupancy
- $147,602
- Travel
- $70,848
- Depreciation
- -$211,231
- Program services (functional)
- $11,262,225
- Management and general (functional)
- $3,276,799
Balance sheet and other
- Total assets, start of year
- $11,353,610
- Total assets, end of year
- $12,491,200
- Total liabilities, end of year
- $601,892
- Net assets, end of year
- $11,889,308
- Land, buildings and equipment
- $913,546
- Gross receipts
- $15,776,102
- Employees
- 0
- Volunteers
- 0
- Year formed
- 2012
- State of legal domicile
- VA
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, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs |
|---|---|---|---|---|
| ANTONY JAMES | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $846,293 |
| AJAY VINZE | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $733,411 |
| KEN WALSH | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $507,686 |
| RENATE H GUILFORD | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $461,692 |
| ALPASAN OZERDEM | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $379,779 |
| JANETTE MUIR | CHAIRMAN Trustee or director, Officer | 0.1 | $0 | $330,736 |
| JOSHUA PARK | CAMPUS DEAN Trustee or director, Officer | 40 | $296,438 | $0 |
| CLARE T LASKOFSKI | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $219,742 |
| ROBERT MATZ | EX-CAMPUS DEAN Former | 0 | $0 | $217,211 |
| SHANNON DAVIS | ASSOC DEAN OF ACADEMIC AFFAIRS (THRU 8/25) Highest-paid employee | 40 | $202,873 | $0 |
| CHRISHON BLACKWELL | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $195,626 |
| JENNY LEE | ASSOCIATE PROFESSOR Highest-paid employee | 40 | $185,259 | $0 |
| JAMES PAIT | ASSOCIATE DEAN OF FINANCE AND ADMINISTRATION Highest-paid employee | 40 | $182,442 | $0 |
| VIAS NICOLAIDES | ASSISTANT PROFESSOR Highest-paid employee | 40 | $137,194 | $0 |
| SOYOUNG KWON | ASSOCIATE DEAN OF EXTERNAL AFFAIRS Highest-paid employee | 40 | $126,301 | $0 |
990 for the year ended December 31, 2024: 15 people
| Name | Title | Hours / week | Compensation | From related orgs |
|---|---|---|---|---|
| AJAY VINZE | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $583,744 |
| KEN WALSH | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $464,570 |
| ANTONY JAMES | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $411,427 |
| SHANNON DAVIS | ASSOC DEAN OF ACCADEMIC AFFAIRS Highest-paid employee | 40 | $363,429 | $0 |
| RENATE H GUILFORD | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $352,975 |
| ALPASAN OZERDEM | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $351,461 |
| ROBERT MATZ | CAMPUS DEAN (THRU 06/24) Trustee or director, Officer | 40 | $0 | $332,897 |
| JANETTE MUIR | CHAIRMAN Trustee or director, Officer | 0.1 | $0 | $312,719 |
| CLARE T LASKOFSKI | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $205,490 |
| CHRISHON BALCKWELL | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $190,178 |
| JAMES PAIT | ASSOCIATE DEAN OF FINANCE AND ADMINISTRATION Highest-paid employee | 40 | $177,683 | $0 |
| JENNY LEE | ASSOCIATE PROFESSOR Highest-paid employee | 40 | $173,769 | $0 |
| VIAS NICOLAIDES | ASSISTANT PROFESSOR Highest-paid employee | 40 | $129,974 | $0 |
| JOSHUA PARK | CAMPUS DEAN Trustee or director, Officer | 40 | $116,339 | $0 |
| HYUN YOUNG CHO | ASSOCIATE PROFESSOR Highest-paid employee | 40 | $113,019 | $0 |
990 for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation | From related orgs |
|---|---|---|---|---|
| AJAY VINZE | BOARD MEMBER Trustee or director | 0.1 | $0 | $565,080 |
| MARK GINSBERG | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $560,929 |
| KEN WALSH | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $389,589 |
| ALPASAN OZERDEM | BOARD MEMBER Trustee or director | 0.1 | $0 | $337,977 |
| ROBERT MATZ | BOARD MEMBER Trustee or director, Officer | 0.1 | $0 | $335,947 |
| SHANNON DAVIS | ASSOC DEAN OF ACADEMIC AFFAIRS Highest-paid employee | 40 | $313,415 | $0 |
| JANET MUIR | CHAIRMAN Trustee or director, Officer | 0.1 | $0 | $311,332 |
| CLARE T LASKOFSKI | BOARD MEMBER Trustee or director | 0.1 | $0 | $196,092 |
| JENNY LEE | ASSOCIATE PROFESSOR Highest-paid employee | 40 | $165,267 | $0 |
| VIAS NICOLAIDES | ASSISTANT PROFESSOR Highest-paid employee | 40 | $127,027 | $0 |
| LYNNETTE LEONARD | ASSISTANT PROFESSOR Highest-paid employee | 40 | $117,105 | $0 |
| ROLAND WILSON | ASSOCIATE PROFESSOR Highest-paid employee | 40 | $116,546 | $0 |
Address and contacts
- Address (IRS master file)
- 4400 UNIVERSITY DR MSC 4B2, FAIRFAX, VA 22030-4422
- In care of
- % MS DEB DICKENSON
- Principal officer (990 for 2025)
- JOSHUA PARK, 4400 UNIVERSITY DRIVE MS 4B2, FAIRFAX, VA 22030
- Signed the 990
- JOSHUA PARK, CAMPUS DEAN
- Phone
- (703) 993-2660
- Website
- MASONKOREA.GMU.EDU
- Return prepared by
- BDO USA
Mission
MASON KOREA, LLC IS A NOT-FOR-PROFIT CORPORATION ESTABLISHED TO OPERATE A BRANCH CAMPUS OF GEORGE MASON UNIVERSITY IN THE REPUBLIC OF KOREA.
Program accomplishments
- EDUCATIONAL SERVICE: RECRUIT AND PROVIDE HIGHER EDUCATION LEARNING TO STUDENTS.Expenses $11,262,225 · grants $2,668,169 · revenue $15,672,422
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 | 990 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
- 46-0603585
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization, Type I
- Donations deductible (Pub 78)
- Supporting organization, 50% limit
- Exempt since
- 2014
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B19)
- Assets (IRS master file)
- $12,491,200
- Income (IRS master file)
- $15,776,102
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $15,776,102 | $14,539,024 | $12,491,200 | XML |
| 990 | December 2024 | $15,707,964 | $13,376,351 | $11,353,610 | XML |
| 990 | December 2023 | $13,917,472 | $11,971,610 | $10,746,824 | XML |
| 990 | December 2022 | $11,788,194 | $10,890,563 | $8,939,738 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 46-0603585).
Questions about MASON KOREA LLC
- What is the EIN of MASON KOREA LLC?
- The employer identification number (EIN) of MASON KOREA LLC is 46-0603585.
- Is MASON KOREA LLC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
- Are donations to MASON KOREA LLC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
- Which annual return does MASON KOREA LLC 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 MASON KOREA LLC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MASON KOREA LLC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of MASON KOREA LLC?
- The 990 for the year ended December 31, 2025 names JOSHUA PARK.
- Who are the officers and directors of MASON KOREA LLC?
- The 990 for the year ended December 31, 2025 lists 15 people; 6 received compensation from the organization.
- How much revenue does MASON KOREA LLC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $15,776,102, expenses of $14,539,024 and total assets of $12,491,200 at year end.
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