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Tzivia Diener

Tzivia has more than 18 years of experience in public accounting and is a key member of the New York City tax department. She is known for her tax knowledge and ability to analyze complex tax matters. She is a member of the firm’s service providers industry group. As a principal in the tax department, she services a broad base of clients, including partnerships, S Corporations, C Corporations, and high-net-worth individuals. Tzivia is a driven professional who prides herself on having a strong and honest work ethic, developing trusted relationships with her clients, and mentoring and training the next generation of tax professionals.

Prior to joining The Bonadio Group, she was a managing director at a top-ten CPA firm. She also held various roles at other large and mid-sized firms and served a number of high-profile clients.

Tzivia lives with her husband in Teaneck, New Jersey. She enjoys walking and exploring new neighborhoods, as well as crafts and decorating.

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Touro University- Bachelors of Science in Accounting

Industry Expertise

Service Expertise


  • NYS Society of CPAs


  • CPA