Nonprofit · EIN 20-1106153
GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION
Tax-exempt · SOUTHFIELD, MI 48075
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| July 31, 2025 | 990 | $767,844 | $655,758 | $112,086 | $952,456 | $37,001 | $915,455 |
| July 31, 2024 | 990 | $583,073 | $599,588 | -$16,515 | $833,472 | $55,485 | $777,987 |
| July 31, 2023 | 990 | $694,245 | $615,014 | $79,231 | $798,255 | $45,218 | $753,037 |
Financial details: 990 for the year ended July 31, 2025
Revenue
- Contributions, gifts and grants
- $639,367
- of which government grants
- $72,376
- Program service revenue
- $75,298
- Investment income
- $14,088
- Net income from fundraising events
- $39,091
- Other revenue
- $39,091
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $5,800
- Travel
- $30,792
- Depreciation
- $1,329
- Program services (functional)
- $496,150
- Management and general (functional)
- $43,530
- Fundraising (functional)
- $116,078
Balance sheet and other
- Total assets, start of year
- $833,472
- Total assets, end of year
- $952,456
- Total liabilities, end of year
- $37,001
- Net assets, end of year
- $915,455
- Land, buildings and equipment
- $12,218
- Publicly traded securities
- $512,743
- Net assets without donor restrictions
- $549,393
- Net assets with donor restrictions
- $366,062
- Gross receipts
- $772,595
- Employees
- 0
- Volunteers
- 13
- Year formed
- 2004
- State of legal domicile
- MI
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 July 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MAURY OKUN | PRESIDENT Officer | 20 | $0 |
| IRA MONDRY | TREASURER Trustee or director, Officer | 1 | $0 |
| MICHAEL GEHEB | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| MARGUERITE MUNSON LENTZ | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| VIRGINIA GEHEB | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| JANELLE MCCAMMON | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| RAYMOND ROSENFELD | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| ANTHONY TOCCO | DIRECTOR Trustee or director | 1 | $0 |
| KATHLEEN BLOCK | DIRECTOR Trustee or director | 1 | $0 |
| FREDERICK MORSCHES | DIRECTOR Trustee or director | 1 | $0 |
| CATHLEEN CORKEN | DIRECTOR Trustee or director | 1 | $0 |
| ROBERT D HEUER | DIRECTOR Trustee or director | 1 | $0 |
| JUDITH MILLER | DIRECTOR Trustee or director | 1 | $0 |
| GAIL MONDRY | TREASURER Trustee or director | 1 | $0 |
| BRIDGET MORIN | DIRECTOR Trustee or director | 1 | $0 |
12 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MICHAEL MORIN | DIRECTOR Trustee or director | 1 | $0 |
| KAREEM GEORGE | DIRECTOR Trustee or director | 1 | $0 |
| SANDI REITELMAN | DIRECTOR Trustee or director | 1 | $0 |
| CLAUDE REITELMAN | DIRECTOR Trustee or director | 1 | $0 |
| RANDOLPH SCHEIN | DIRECTOR Trustee or director | 1 | $0 |
| CHRISTINE GOERKE | DIRECTOR Trustee or director | 1 | $0 |
| JILL STONE | DIRECTOR Trustee or director | 1 | $0 |
| STEVEN STONE | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL TURALA | DIRECTOR Trustee or director | 1 | $0 |
| GWEN WEINER | DIRECTOR Trustee or director | 1 | $0 |
| EVAN WEINER | DIRECTOR Trustee or director | 1 | $0 |
| LAUREN SMITH | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended July 31, 2024: 28 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MAURY OKUN | PRESIDENT Officer | 20 | $0 |
| IRA MONDRY | TREASURER Trustee or director, Officer | 1 | $0 |
| MICHAEL GEHEB | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| MARGUERITE MUNSON LENTZ | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| VIRGINIA GEHEB | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| JANELLE MCCAMMON | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| RAYMOND ROSENFELD | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| ANTHONY TOCCO | DIRECTOR Trustee or director | 1 | $0 |
| KATHLEEN BLOCK | DIRECTOR Trustee or director | 1 | $0 |
| NICOLE BRADDOCK | DIRECTOR Trustee or director | 1 | $0 |
| FREDERICK MORSCHES | DIRECTOR Trustee or director | 1 | $0 |
| CATHLEEN CORKEN | DIRECTOR Trustee or director | 1 | $0 |
| ROBERT D HEUER | DIRECTOR Trustee or director | 1 | $0 |
| JUDITH MILLER | DIRECTOR Trustee or director | 1 | $0 |
| GAIL MONDRY | TREASURER Trustee or director | 1 | $0 |
| BRIDGET MORIN | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL MORIN | DIRECTOR Trustee or director | 1 | $0 |
| KAREEM GEORGE | DIRECTOR Trustee or director | 1 | $0 |
| SANDI REITELMAN | DIRECTOR Trustee or director | 1 | $0 |
| CLAUDE REITELMAN | DIRECTOR Trustee or director | 1 | $0 |
| RANDOLPH SCHEIN | DIRECTOR Trustee or director | 1 | $0 |
| FRANZISKA SCHOENFELD | DIRECTOR Trustee or director | 1 | $0 |
| JILL STONE | DIRECTOR Trustee or director | 1 | $0 |
| STEVEN STONE | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL TURALA | DIRECTOR Trustee or director | 1 | $0 |
| GWEN WEINER | DIRECTOR Trustee or director | 1 | $0 |
| EVAN WEINER | DIRECTOR Trustee or director | 1 | $0 |
| LAUREN SMITH | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended July 31, 2023: 28 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MAURY OKUN | PRESIDENT Officer | 20 | $0 |
| VIRGINIA GEHAB | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| MICHAEL GEHAB | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| MARGUERITE MUNSON LENTZ | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| JANELLE MCCAMMON | C0-CHAIR Trustee or director, Officer | 1 | $0 |
| RAYMOND ROSENFELD | CO-CHAIR Trustee or director, Officer | 1 | $0 |
| ANTHONY TOCCO | DIRECTOR Trustee or director | 1 | $0 |
| KATHLEEN BLOCK | DIRECTOR Trustee or director | 1 | $0 |
| NICOLE BRADDOCK | DIRECTOR Trustee or director | 1 | $0 |
| FREDERICK MORSCHES | DIRECTOR Trustee or director | 1 | $0 |
| CATHLEEN CORKEN | DIRECTOR Trustee or director | 1 | $0 |
| IRA MONDRY | DIRECTOR Trustee or director | 1 | $0 |
| ROBERT D HEUER | DIRECTOR Trustee or director | 1 | $0 |
| JUDITH MILLER | DIRECTOR Trustee or director | 1 | $0 |
| GAIL MONDRY | DIRECTOR Trustee or director | 1 | $0 |
| BRIDGET MORIN | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL MORIN | DIRECTOR Trustee or director | 1 | $0 |
| KAREEM GEORGE | DIRECTOR Trustee or director | 1 | $0 |
| SANDI REITELMAN | DIRECTOR Trustee or director | 1 | $0 |
| CLAUDE REITELMAN | DIRECTOR Trustee or director | 1 | $0 |
| RANDOLPH SCHEIN | DIRECTOR Trustee or director | 1 | $0 |
| FRANZISKA SCHOENFELD | DIRECTOR Trustee or director | 1 | $0 |
| JILL STONE | DIRECTOR Trustee or director | 1 | $0 |
| STEVEN STONE | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL TURALA | DIRECTOR Trustee or director | 1 | $0 |
| GWEN WEINER | DIRECTOR Trustee or director | 1 | $0 |
| EVAN WEINER | DIRECTOR Trustee or director | 1 | $0 |
| LAUREN SMITH | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 24901 NORTHWESTERN HWY STE 312, SOUTHFIELD, MI 48075-2207
- In care of
- % MAURY OKUN
- Principal officer (990 for 2024)
- MAURY OKUN, 24901 NORTHWESTERN HWY SUITE 312, SOUTHFIELD, MI 48075
- Signed the 990
- MAURY OKUN, PRESIDENT
- Phone
- (248) 559-2907
- Return prepared by
- JASON F CLAUSEN PC
Mission
THE GREAT LAKES CHAMBER MUSIC FETIVAL CELEBRATES AND ADVANCES ITS ART FORM THROUGH EXTRAORDINARY PERFORMANCE, COLLABORATION AND EDUCATION, INSPIRING DIVERSE AUDIENCES TO SHARE IN THE INTIMATE DIALOGUE THAT IS UNIQUE TO CHAMBER MUSIC.
Program accomplishments
- TO PRESENT THE HIGHEST CALIBER OF CHAMBER MUSIC ARTISTRY AND PROGRAMMING THROUGH LOCAL AND OUTREACH PERFORMANCES AND EDUCATION IN SOUTHEAST MICHIGANExpenses $496,150
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 July, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | July 31, 2026 | December 15, 2026 | Not due yet |
| 2024 | July 31, 2025 | December 15, 2025 | 990 on file |
| 2023 | July 31, 2024 | December 16, 2024 | 990 on file |
IRS record
- EIN
- 20-1106153
- 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
- 2004
- Accounting year ends
- July
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A68)
- Assets (IRS master file)
- $952,456
- Income (IRS master file)
- $772,595
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | July 2025 | $767,844 | $655,758 | $952,456 | XML |
| 990 | July 2024 | $583,073 | $599,588 | $833,472 | XML |
| 990 | July 2023 | $694,245 | $615,014 | $798,255 | XML |
| 990 | July 2022 | $601,546 | $469,063 | $687,195 | IRS |
| 990 | July 2021 | – | – | – | IRS |
| 990 | July 2020 | – | – | – | IRS |
| 990 | July 2019 | – | – | – | IRS |
| 990 | July 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 20-1106153).
Questions about GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION
- What is the EIN of GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION?
- The employer identification number (EIN) of GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION is 20-1106153.
- Is GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
- Are donations to GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION 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 GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION due?
- The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended July 2025.
- Who is the principal officer of GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION?
- The 990 for the year ended July 31, 2025 names MAURY OKUN.
- Who are the officers and directors of GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION?
- The 990 for the year ended July 31, 2025 lists 27 people; 0 received compensation from the organization.
- How much revenue does GREAT LAKES CHAMBER MUSIC FESTIVAL OPERATING CORPORATION have?
- On its 990 for the year ended July 31, 2025 it reported revenue of $767,844, expenses of $655,758 and total assets of $952,456 at year end.
Other nonprofits in SOUTHFIELD
- DETROIT CHAMBER WINDS EIN 38-2445218 · last filed 990 for 2024
- FRIENDS OF SOUTHFIELD PUBLIC ARTS EIN 82-5306956 · last filed 990 for 2025
- CABARET 313 EIN 35-2463620 · last filed 990 for 2024
- KOREAN AMERICAN CULTURAL CENTER OF MICHIGAN EIN 38-3534465 · last filed 990 for 2024
- CULTURAL SOCIETY OF ARMENIANS FROM ISTANBUL EIN 38-6147534 · last filed 990 for 2026
- MOTOR CITY BRASS BAND EIN 38-3319093 · last filed 990-EZ for 2025
- SUNBRIDGE INTERNATIONAL COLLABORATIVE INC EIN 61-1726237 · last filed 990-EZ for 2024
- BLACK CANON COLLECTION CORPORATION EIN 99-1121811 · last filed 990 for 2025
All nonprofits in SOUTHFIELD · Michigan · Arts, culture and humanities