Israel Tannenbaum

Senior Manager, Mazars USA LLP

Israel has over a decade of experience serving not-for-profit clients in a range of subsectors. He specializes in delivering insightful, comprehensive tax services and is particularly adept with Forms 990, 990-PF, 990-T, 926, 8865, 5500 and any relevant state forms, including Form CHAR500 and CT-13. Israel’s other clients have included Fortune 100 companies and large pension trusts. Prior to joining WeiserMazars, Israel was a Director at Loeb & Troper LLP, where he oversaw the entire tax function of the firm. He also spent ten years at a Big 4 accounting firm as a Senior Manager in the Tax Practice. Israel also has 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 Israel received his BBA in Accounting, with honors, from Baruch College. He is a 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 he sits on the Exempt Organizations and Not-for-Profit Organizations Committees.


This Education Lab will provide a discussion of charitable contribution solicitation and the resulting compliance issues it can create.

Learning objectives:

  • Understanding what More