Liabilities / Assets
13th percentile
Higher debt load relative to assets than 13% of similar nonprofits.
EIN 13-5659965 • 501(c)3 • New York, NY
Profile
The mission of the leo baeck institute is to study and preserve the history and culture of german-speaking jewry.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
13th percentile
Higher debt load relative to assets than 13% of similar nonprofits.
Liabilities / Revenue
10th percentile
Higher debt load relative to revenue than 10% of similar nonprofits.
Net Margin
89th percentile
Higher net margin than 89% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
69th percentile
Faster asset growth than 69% of similar nonprofits.
Revenue Growth
85th percentile
Faster revenue growth than 85% of similar nonprofits.
Assets
Up$18,217,354
Up $1,916,233 (+12%) from 2023
Liabilities
Up$168,216
Up $28,302 (+20%) from 2023
Net Assets
Up$18,049,138
Up $1,887,931 (+12%) from 2023
Revenue
Up$7,883,260
Up $2,256,024 (+40%) from 2023
Expenses
Up$4,006,431
Up $162,946 (+4.2%) from 2023
Net Income
Up$3,876,829
Up $2,093,078 (+117%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
The mission of the leo baeck institute is to study and preserve the history and culture of german-speaking jewry.
To study and preserve the history and culture of german-speaking jewry.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $13,587,037 | $14,874,947 | ▲ $1,287,910 |
| Cash and Non-Interest-Bearing Accounts | $1,660,093 | $2,343,677 | ▲ $683,584 |
| Pledges and Grants Receivable | $639,345 | $618,969 | ▼ $20,376 |
| Prepaid Expenses and Deferred Charges | $170,470 | $140,436 | ▼ $30,034 |
| Savings and Temporary Cash Investments | $100,005 | $100,920 | ▲ $915 |
| Land, Buildings, and Equipment, Net | $63,066 | $57,471 | ▼ $5,595 |
| Accounts Receivable | $1,925 | $31,373 | ▲ $29,448 |
| Total Assets | $16,301,121 | $18,217,354 | ▲ $1,916,233 |
| Other Assets Total | $79,180 | $49,561 | ▼ $29,619 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $57,518 | $117,065 | ▲ $59,547 |
| Other Liabilities | $82,396 | $51,151 | ▼ $31,245 |
| Total Liabilities | $139,914 | $168,216 | ▲ $28,302 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $13,015,133 | $14,014,828 | ▲ $999,695 |
| Net Assets Without Donor Restrictions | $3,146,074 | $4,034,310 | ▲ $888,236 |
| Total Net Assets Fund Balance | $16,161,207 | $18,049,138 | ▲ $1,887,931 |
| Total Liabilities and Net Assets / Fund Balance | $16,301,121 | $18,217,354 | ▲ $1,916,233 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $4,475 | $297,975 | $302,450 |
| Other Land Buildings | $35,725 | $20,851 | $56,576 |
| Leasehold Improvements | $17,271 | $15,979 | $33,250 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $13,089,344 | $1,507,100 | ▲ $1,789,544 | $-605,867 | $15,780,121 |
| 2023 | $10,944,842 | $1,545,378 | ▲ $1,132,787 | $-533,663 | $13,089,344 |
| 2022 | $6,752,589 | $4,877,029 | ▼ $447,640 | $-237,136 | $10,944,842 |
| 2021 | $5,419,722 | $1,272,029 | ▲ $155,265 | $-94,427 | $6,752,589 |
| 2020 | $2,892,070 | $2,282,437 | ▲ $317,835 | $-72,620 | $5,419,722 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Markus Krah | Executive Director | FT | $228,185 | $37,966 | $266,151 |
| Frank Mecklenburg | Director of Research | FT | $145,267 | $13,748 | $159,015 |
| Sally Carroll | Director of Finance & Administration | FT | $108,456 | $12,990 | $121,446 |
| Renate Evers | Director of Collections | FT | $106,393 | $10,370 | $116,763 |
| David Brown | Director of Public History | FT | $100,143 | $15,844 | $115,987 |
| Name | Title |
|---|---|
| David G Marwell | President |
| David W Detjen | Vice President |
| Joan C Lessing | Vice President |
| Michael a Bamberger | Vice President |
| Abraham F Lowenthal | Trustee |
| Aj Strasser | Trustee |
| Alan Winters | Trustee |
| Charles E Scheidt | Trustee |
| Charles Hesdorffer | Trustee |
| Danielle Spera | Trustee |
| David Sorkin | Trustee |
| Emary Aronson | Trustee |
| Erika Dreifus | Trustee |
| James N Dreyfus | Trustee |
| Josef Joffe | Trustee |
| Judith Kende | Trustee |
| Marsha Rozenblit | Trustee |
| Michael G Jesselson | Trustee |
| Michael a Meyer | Trustee |
| Paul Nemitz | Trustee |
| Raymond Vj Schrag | Trustee |
| Robert S Rifkind | Trustee |
| Steven Zehden | Trustee |
| Tom Uhlman | Trustee |
| Werner Gundersheimer | Trustee |
| Huberta Von Voss-wittig | Trustee (thru 3/2024) |
| Dennis Baum | Secretary |
| Amy Houston | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $2,059,882 |
| Other Expenses | $1,862,598 |
| Grants and Similar Amounts Paid | $83,951 |
| Total Fundraising Expense | $12,683 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $1,172,697 | $337,468 | - | $1,510,165 |
| Fees for Services Other | $598,781 | $145,440 | - | $744,221 |
| Occupancy | $192,179 | $216,766 | - | $408,945 |
| Current Officers, Directors, Trustees, and Key Employees | $203,938 | $62,213 | - | $266,151 |
| Office Expenses | $161,677 | $73,748 | $2,907 | $238,332 |
| Payroll Taxes | $123,208 | $51,700 | - | $174,908 |
| Other Employee Benefits | $76,540 | $32,118 | - | $108,658 |
| Fees for Services Accounting | - | $79,561 | - | $79,561 |
| Other Expenses | $53,004 | $0 | $0 | $53,004 |
| Grants to Domestic Individuals | $47,900 | - | - | $47,900 |
| All Other Expenses | $40,378 | $3 | $6,282 | $46,663 |
| Travel | $39,765 | $4,057 | $2,204 | $46,026 |
| Insurance | $12,070 | $30,537 | - | $42,607 |
| Foreign Grants | $36,051 | - | - | $36,051 |
| Depreciation Depletion | $3,786 | $9,581 | - | $13,367 |
| Fees for Services Legal | - | $9,128 | - | $9,128 |
| Total Functional Expenses | $2,941,410 | $1,052,338 | $12,683 | $4,006,431 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $4,006,431 |
| Total Expenses per Audited Statements | $4,006,431 |
| Total Expenses per Form 990 | $4,006,431 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| Europe (including Iceland & Greenland) - Albania, Andorra, Austria, Belgium | Program Services | Maint. of Collection | 1 | 4 | $499,450 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $145,420 |
| Fundraising Gross Income | $145,420 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Gala | $443,263 | $145,420 | - | $145,420 |
| Total Events | $443,263 | $145,420 | $145,420 | $0 |
| Liability | Amount |
|---|---|
| Lease Liability | $51,151 |
“Membership: members of the institute consist of the board of trustees.”
“Membership: the institute's board of trustees is comprised of three classes, all with equal voting rights. The board of trustees are elected by a plurality of the votes cast at a meeting of the members. At any meeting of the members, each member will be entitled to one vote.”
“Review of form 990: draft tax return is provided to the board of trustees for review prior to its filing.”
“Conflict of interest policy: board members and employees are required to annually disclose any relationships, personal or business, with leo baeck institute and any other related entity.”
“Executive compensation: the compensation of the executive director was determined by the board of trustees.”
“Availability of forms: the aforementioned forms are available on request.”
“Availability of governance documents: the aforementioned documents are available on request.”
“Consulting fees: program service expenses 598,781. Management and general expenses 145,440. Fundraising expenses 0. Total expenses 744,221.”
“Description of collections items: the institute maintains three collections (i) a library collection of over 80,000 volumes and 1,600 periodical titles, including complete collections of various publications, to provide important primary and secondary material for researchers and the general public; (ii) archives of written and oral legacy of german-speaking jewry, with over 4,000 linear feet containing 10,000 collections, over 2,000 memoirs and manuscripts, and more than 35,000 photos; the files range from family trees and other genealogical material to travel-related emigration documents, and manuscripts, clippings, and official documents pertaining to jewish communities throughout germany; and, (iii) a collection of 6,000 works of art and artifacts preserving a critical, visual record of german-jewish history and material culture. All collection items are catalogued and preserved, and activities verifying their existence and assessing their condition are performed regularly. The cost or value of these collections is not included in the statements of the financial position. Each of the three collections receives new items each year through contributions that are not included in the financial statements. Items purchased by the institute for the collections, primarily for the library, are recorded as expenses in the year in which the items are purchased. The institute reviews its collections on an ongoing basis and may periodically acquire or de-access items. Proceeds received from deaccessions are either imposed restrictions that are board-restricted, based on the restrictions placed on the original gift by the donor, or lack thereof, and are restricted to fund future acquisitions of collections, or the preservation, conservation or direct care of other collections.”
“Description of collections furthering the institute's exempt purpose: the institute is a center for research, exhibitions, and events. Its library and archives offer the most comprehensive documentation for the study of german jewish history. Most of the institute's collection pertains to central european jewry during the nineteenth and early twentieth centuries. It also includes material dating as far back as the 16th century and as current as the jewish population in germany today. The focus of the collection is on the diverse culture of german-speaking jewry, especially in the arts, sciences, literature, philosophy, and religion. The institute's archives is the outstanding collection of original documents of its kind. Family papers, community histories, and business and public records date back centuries and touch upon virtually every phase of german-jewish life. Contributed collections items are not included in the financial statements. The institute reviews its collections and may periodically acquire or deaccess items. Proceeds from deaccessions are classified as without donor restrictions, except when donor restrictions apply.”
“The institute's endowment funds are established for a variety of purposes. These funds include accumulated endowment income that are classified within net assets with donor restrictions in the accompanying statements of financial position.”
“The institute is subject to the provisions of the financial accounting standards board's (the "fasb") accounting standards codification ("asc") topic 740, income taxes, as it relates to accounting and reporting for uncertainty in income taxes. Because of the institute's general tax-exempt status, management believes asc topic 740 has not had, and is not anticipated to have, a material impact on the institute's financial statements.”
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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|---|---|---|
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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 117065 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1925 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 31373 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO STUDY AND PRESERVE THE HISTORY AND CULTURE OF GERMAN-SPEAKING JEWRY. |
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| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 3 |
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| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 3786 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 13367 |
| IRS990/Desc | 0 | LIBRARY - THE LIBRARY OF THE INSTITUTE IS INTERNATIONALLY RECOGNIZED AS THE MOST COMPREHENSIVE REPOSITORY FOR BOOKS DOCUMENTING THE HISTORY AND CULTURE OF GERMAN-SPEAKING JEWRY. OVER 80,000 VOLUMES AND 900 PERIODICAL TITLES PROVIDE IMPORTANT PRIMARY AND SECONDARY MATERIAL. RICH IN RARITIES RANGING FROM EARLY 16TH CENTURY WRITINGS, TO MOSES MENDELSSOHN AND HEINRICH HEINE, AND FIRST EDITIONS AND DEDICATION COPIES OF WORKS BY MORE RECENT PROMINENT WRITERS, MANY OF ITS VOLUMES WERE SALVAGED FROM FAMOUS JEWISH LIBRARIES THAT WERE CONFISCATED AND DISPERSED BY THE NAZIS. MOST OF THE COLLECTION DEALS WITH CENTRAL EUROPEAN JEWRY DURING THE NINETEENTH AND EARLY TWENTIETH CENTURIES. (CONTINUED ON SCHEDULE O).IT ALSO INCLUDES MATERIAL DATING BACK AS FAR AS THE 16TH CENTURY AND IS AS CURRENT AS THE JEWISH POPULATION IN GERMANY TODAY. THE FOCUS OF THE COLLECTION IS ON THE DIVERSE CULTURE OF GERMAN-SPEAKING JEWRY, ESPECIALLY IN THE ARTS, SCIENCES, LITERATURE, PHILOSOPHY, AND RELIGION. |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 37966 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 29 | 13748 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 30 | 10370 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 31 | 12990 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 32 | 15844 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DAVID G MARWELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DAVID W DETJEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOAN C LESSING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MICHAEL A BAMBERGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | AMY HOUSTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | DENNIS BAUM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ABRAHAM F LOWENTHAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | AJ STRASSER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ALAN WINTERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | CHARLES E SCHEIDT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CHARLES HESDORFFER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | DANIELLE SPERA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | DAVID SORKIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | EMARY ARONSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | ERIKA DREIFUS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | JAMES N DREYFUS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | JOSEF JOFFE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JUDITH KENDE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | MARSHA ROZENBLIT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | MICHAEL A MEYER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | MICHAEL G JESSELSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | PAUL NEMITZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | RAYMOND VJ SCHRAG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | ROBERT S RIFKIND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | STEVEN ZEHDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | TOM UHLMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | WERNER GUNDERSHEIMER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | HUBERTA VON VOSS-WITTIG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | MARKUS KRAH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | FRANK MECKLENBURG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 30 | RENATE EVERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | SALLY CARROLL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 32 | DAVID BROWN |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 228185 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 29 | 145267 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 106393 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 108456 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 32 | 100143 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 31 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 32 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | TRUSTEE (THRU 3/2024) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | DIRECTOR OF RESEARCH |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | DIRECTOR OF COLLECTIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | DIRECTOR OF FINANCE & ADMINISTRATION |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 32 | DIRECTOR OF PUBLIC HISTORY |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1955 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 297843 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 145420 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 145420 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 2981858 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 27 |
| IRS990/GovernmentGrantsAmt | 0 | 976701 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 47900 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 47900 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 28878112 |
| IRS990/GrossReceiptsAmt | 0 | 33924934 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 27 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 30537 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 12070 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 42607 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 719817 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 719817 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 13587037 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 14874947 |
| IRS990/IRPDocumentCnt | 0 | 23 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 334805 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 63066 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 57471 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 392276 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 25896254 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE MISSION OF THE LEO BAECK INSTITUTE (THE "INSTITUTE") IS TO STUDY AND PRESERVE THE HISTORY AND CULTURE OF GERMAN-SPEAKING JEWRY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 1 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 16161207 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 18049138 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2981858 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 2981858 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -1988898 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3146074 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 4034310 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 216766 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 192179 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 408945 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 2907 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 73748 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 161677 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 238332 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
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