Israel Tannenbaum

Member Since 2022

Israel Tannenbaum



New York City Area

Over a decade of experience serving not-for-profit clients in a range of sub-sectors, specializing in delivering insightful, comprehensive tax services. Particularly adept with Forms 990, 990-PF, 990-T, 926, 8865, 5500 and any relevant state forms, including Form CHAR500 and CT-13, to clients including many Fortune 100 companies and large pension trusts. Significant experience assisting clients with implementation of the requirements of various new legislation and regulations such as the New York State Not for Profit Revitalization Act and the 2014 IRS Final Tangible Property Regulations Certified Public Accountant in New York State, and a member of the American Institute of Certified Public Accountants and the New York State Society of CPAs, where I sit on the Not-for-Profit Organizations, and Exempt Organizations Committees.


  • Not for Profit
  • Tax-exempt
  • Private Foundations


March 9th, 2023

How AI Can Help Not-For-Profits Do More With Less

Let's explore a few ideas for how your organization can leverage this new tech.

February 27th, 2023

13 Key Ways Organizations Can Improve Their Managers’ Effectiveness

By providing ongoing support, leadership can ensure that a manager has the tool and resources to succeed.

February 21st, 2023

14 Effective Strategies for Connecting With Peers Without Comparing Your Successes

Having a deep understanding of yourself and your own goals can help prevent feelings of inadequacy.

February 16th, 2023

How Businesses Can Build Systems to Support First-Time Leaders

To set first-time leaders up for success, organizations have to create processes that offer support and flexibility.



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  • Certified Public Accountants and Consultants
  • Forensic and Valuation
  • Private Client Services