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Israel Tannenbaum

CPA Partner, Lead, Tax Exempt Services

Get to Know Me

Israel has more than 17 years of experience providing value-add compliance and tax consulting services to not-for-profit clients of all sizes, including Public Charities, Private Foundations, Membership Associations, Arts and Cultural Organizations, and all other subsectors of the Not-for-Profit industry.

He is an expert in Unrelated Business Income Tax (UBIT) and foreign filing requirements for tax-exempt entities. He has experience in providing Employee Benefits Tax compliance and consulting services to a diverse group of clients including Fortune 100 companies and some of the largest pension trusts in the world and assisting clients with the implementation of the requirements of various new legislation and regulations at both the Federal and State levels.

Israel is a frequent author for wealthmanagement.com, New York State Society of CPAs TaxStringer, Bloomberg BNA, AICPA Journal of Accountancy, AICPA Insights and plansponsor.com. He also has presented at numerous regional and national conferences including New York Council of Nonprofits (NYCON), AICPA National Not-For-Profit Industry Conference, New York State Society of CPA’s annual exempt organizations conference, and the New York Nonprofit Media Nonprofit OpCon.

Industry Expertise

Service Expertise

Learn More About My Story

Learn more about my professional experience and how I spend my time outside the firm.

Education:

  • BBA, Accounting from Baruch College

Professional Affiliations:

  • Member, American Institute of Certified Public Accountants (AICPA)
  • Member, New York State Society of Certified Public Accountants (NYSSCPA)

Authored Insights

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making a donation to charity
Charitable Giving and Education Savings in 2025

Charitable Gifting Charitable Contributions For 2025, donors may claim a tax deduction for contributions of cash of up to 60% (for noncash assets held more than one year up to 30%) of one’s AGI. Donation amounts in excess of these limits may be carried over for up to five tax years. For example, consider an…

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church with american flag
IRS Court Filing Signals Modification to Restriction of Political Endorsements by “Church” Organizations

In a recent court filing, the IRS stated its position that certain “church” organizations’ endorsement of political candidates is an allowable activity, contrary to the long-standing ban on political endorsements by nonprofits. In National Religious Broadcasters v. Billy Long (as acting IRS Commissioner), a coalition of religious “church” organizations sued the IRS to challenge the…

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us nonprofits, charitable organizations
Changes Affecting Not-for-Profit and Other Tax-Exempt Organizations in New Tax Law

President Trump has now signed The Big Beautiful Bill into law. The House passed the Senate’s version of the bill just shy of the president’s July 4 deadline. The broad provisions in the bill impact many areas of taxation, including tax-exempt organizations. The final version abandons many earlier proposals that alarmed nonprofits, while several key…