Tanenbaum Center for Interreligious Understanding

The Tanenbaum Center for Interreligious Understanding is a religious advocacy group that seeks to prevent “religious prejudice, hatred and violence in specific settings such as schools, the workplace, and health care,” according to The Pluralism Project at Harvard University. The Center was founded in 1992 and named after Marc Tanenbaum, a rabbi in Conservative Judaism who died that same year. The group also runs a “Peacemakers” program to support individuals and organizations advocating against extremist religious violence.  1 2

At-A-Glance

Ideological Alignment: Right of Center
Issue Areas: Multi-Issue Advocacy
Website: tanenbaum.org
Formation:

1992

CEO:

Rev. Mark Fowler

Location: New York, NY View on map
Tax ID: 13-3695475
Most Recent Filing: 2024
Budget (2024): Assets: $5,055,456 Revenue: $2,899,882 Expenses: $2,626,659

Contents

    Tanenbaum offers “religious awareness and inclusion trainings.” As of 2025, Tanenbaum claims to have worked with over 4 million employees, 110,000 students, and 10,500 medical professionals and students.  3

    Background

    The Tanenbaum Center for Interreligious Understanding is a religious advocacy nonprofit that was founded in 1992 by Georgette Bennett, the widow of Conservative Judaism rabbi Marc Tanenbaum who passed away that same year. According to a post on the website for Harvard University‘s “Pluralism Project,” the Center was created to “build upon the legacy of her late husband” and to prevent “religious prejudice, hatred and violence in specific settings such as schools, the workplace, and health care.” 1 2 The group also manages a Peacemakers in Action program, to support individuals who oppose extremist religious violence. 2

    Activities

    According to its “2024 Year in Review” report, the Tanenbaum Center for Interreligious Understanding was running “religious awareness and inclusion trainings.” 4 According to the “Our Impact” page on its website, Tanenbaum claims to have worked with over 4 million employees, 110,000 students, and 10,500 medical professionals and students as of 2025.  3

    The group’s CEO Rev. Mark Fowler has previously overseen corporate training sessions with major corporations including “GSK, Merck, Turner Broadcasting, PwC, The Walt Disney Company, CVS Health, Aetna, Bloomberg, Sodexo, Google, Moody’s, Bank of America, Walmart, and Target.”  5

    In 2024, Tanenbaum published materials entitled “LGBTQ+ Youth Health: The Role of Religion.”  4

    Tanenbaum also manages a “Peacemakers in Action Network” that nominates individuals working in areas of conflict and support them through retreats and information sharing.  6

    Funding

    In 2024, the Tanenbaum Center for Interreligious Understanding reported $2,899,882 in revenue, $2,626,659 in expenses, and $5,055,456 in assets.  7

    In 2024, the Wayfarer Foundation gave $170,000 to Tanenbaum. It also gave $489,800 in 2023, $130,000 in 2022, and $66,700 in 2021.  8

    In 2021, The Walt Disney Company was listed in the $50,000+ tier of Tanenbaum’s donors. That same year, the Nissan Foundation, Target, the Pine Tree Foundation of New York, the Sy Syms Foundation, and the Russell Berrie Foundation were listed in the $20,000 to $49,999 donor tier.  9

    In 2019, the GHR Foundation donated $25,000 to Tanenbaum in support of the group’s annual Peacemakers’ working retreat.  10

    Leadership

    Rev. Mark Fowler is the CEO of the Tanenbaum Center for Interreligious Understanding, serving in the role since 2020 while working for the organization since 2007. Fowler is listed as the representative of Tanenbaum for the “United Nations Multifaith Advisory Council for the UN Interagency Task Force on Religion and Development.” He is also listed as the CEO of Action for Diversity and Inclusion, the Inclusion Allies Coalition, and Interfaith United NYC. Fowler works part-time for the One Spirit Learning Alliance as an interfaith seminary instructor. Prior to this, Fowler worked as a trainer for the Anti-Defamation League from 2004 to 2009.  11 5

    Joyce Dubensky is the CEO emerita and senior strategic advisor for Tanenbaum. Previously, Dubensky was the general counsel for the United Jewish Appeal-Federation of Jewish Philanthropies of New York, a national consultant for the Council of Jewish Federations, and the national director of communications for the National Conference for Community and Justice.  12 5

    Financial Statistics

    Total Assets

    Total Revenue

    Total Expenses

    YearTotal AssetsTotal RevenueTotal ExpensesFiling
    2024 $5,055,456 $2,899,882 $2,626,659 View
    2023 $4,588,622 $2,502,314 $2,432,728 View
    2022 $4,274,855 $2,455,622 $2,428,999 View
    2021 $4,613,461 $1,712,416 $1,925,873 View
    2020 $4,764,216 $1,285,889 $1,717,357 View

    Prior year filings: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011

    Revenue Detail

    Expenses Detail

    Employee Compensation

    • Number of Employees: 28

    Highest Earning Employees

    EmployeeTitleTotal Compensation
    REV Mark FowlerCEO$191,303
    Nancy WolfeDIRECTOR OF DEVELOPMENT$111,954

    Grant Activity

    All-time grants received statistics from Candid dataset:

    • Total Grant Value: $5,800,320
    • Number of Grants: 304
    • Number of Funders: 100

    Selection of highest value grants received from the last seven years:

    AmountYearFunderSubject
    $489,8002023 Wayfarer FoundationGENERAL OPERATING SUPPORT
    $170,0002024 Wayfarer FoundationGENERAL OPERATING SUPPORT
    $130,0002022 Wayfarer FoundationGENERAL OPERATING SUPPORT
    $67,0002021 Nissan FoundationGENERAL SUPPORT
    $66,7002021 Wayfarer FoundationGENERAL OPERATING SUPPORT
    $48,6062020 Fidelity Investments Charitable Gift FundFor grant recipient's exempt purposes
    $40,0002023 Marty and Dorothy Silverman FoundationGENERAL DONATION
    $37,5542021 Fidelity Investments Charitable Gift FundFor grant recipient's exempt purposes
    $35,0002025 Nissan FoundationCELEBRATING OUR TRADITIONS: FOUNDATIONS FOR BUILDING COMMUNITIES THAT VALUE RELIGIOUS DIVERSITY
    $35,0002023 Nissan FoundationGENERAL SUPPORT
    $35,0002022 Pine Tree Foundation of New York TrHelping Educators Impact Student Behavior with Tools for Respect
    $30,0002020 The Russell Berrie FoundationTO FURTHER DONEES EXEMPT PURPOSE
    $29,8502023 Fidelity Investments Charitable Gift FundFor grant recipient's exempt purposes
    $28,0002022 Fidelity Investments Charitable Gift FundFor grant recipient's exempt purposes
    $28,0002020 Marty and Dorothy Silverman FoundationGENERAL DONATION
    $25,6002022 Donor Advised Charitable Giving, Inc.HUMAN SERVICES
    $25,0002024 E Rhodes and Leona B Carpenter FoundationTO HELP WITH THE COST OF FOCUSED OUTREACH AND A ROUNDTABLE MEETING OF HEALTHCARE PROVIDERS.
    $25,0002023 E Rhodes and Leona B Carpenter FoundationTO HELP WITH THE COSTS OF UPDATING AND PROMOTING A TRAINING SERIES OF THREE ELEARNING MODULES FOR HEALTH CARE PROVIDERS ON CONSCIENCE OBJECTIONS AND ITS POTENTIAL IMPACT ON CARE FOR LGBTQ PATIENTS.
    $25,0002022 American Online Giving Foundation IncGENERAL SUPPORT
    $25,0002022 Nissan FoundationGENERAL SUPPORT
    $25,0002021 The Russell Berrie FoundationTO FURTHER DONEES EXEMPT PURPOSE
    $23,5002020 Donor Advised Charitable Giving, Inc.Human services
    $20,0002024 Donor Advised Charitable Giving, Inc.HUMAN SERVICES
    $20,0002024 Marty and Dorothy Silverman FoundationGENERAL DONATION
    $20,0002021 E Rhodes and Leona B Carpenter FoundationHELP WITH THE COSTS OF RESEARCHING, WRITING AND PUBLISHING AN UPDATED WHITE PAPER

    References

    1. “Tanenbaum Center for Interreligious Understanding.” The Pluralism Project. Accessed January 19, 2026. https://pluralism.org/tanenbaum-center-interreligious-understanding
    2. “History.” Tanenbaum, April 13, 2024. https://tanenbaum.org/about-us/who-we-are/history/
    3. “Our Impact.” Tanenbaum, April 11, 2025. https://tanenbaum.org/about-us/our-impact/
    4. “2024 Year in Review.” Tanenbaum Center for Interreligious Understanding. Accessed January 19, 2026. https://tanenbaum.org/wp-content/uploads/2025/04/Year-in-Review-2024.pdf
    5. “Staff.” Tanenbaum, January 14, 2026. https://tanenbaum.org/about-us/who-we-are/staff/
    6. “Meet the Peacemakers.” Tanenbaum, January 7, 2026. https://tanenbaum.org/about-us/what-we-do/peacebuilding/meet-the-peacemakers/
    7. “Tanenbaum Center for Interreligious Understanding,” Return of Organization Exempt From Income Tax (Form 990) 2024. Page 1 Part I Lines 12, 18, and 20. 
    8. “Wayfarer Foundation,” Return of Private Foundation Exempt Form Income Tax (Form 990 PF) 2021, 2022, 2023, and 2024. Page 11 Part XIV. 
    9. “Donors.” Tanenbaum, September 27, 2023. https://tanenbaum.org/about-us/who-we-are/donors/
    10. “GHR Foundation,” Return of Private Foundation Exempt From Income Tax (Form 990 PF) 2019. Page 11 Part XIV. 
    11. “Mark Fowler – One Spirit Learning Alliance.” LinkedIn. Accessed January 19, 2026. https://www.linkedin.com/in/mark-fowler-9468b36/
    12. Joyce Dubensky – Tanenbaum | LinkedIn. Accessed January 19, 2026. https://www.linkedin.com/in/joyce-dubensky-262a6414/