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Kerra Diener

CPA Partner

Get to Know Me

Kerra Diener is a tax partner with over 17 years of experience. She helps clients achieve their financial goals by optimizing their tax positions while ensuring compliance with tax laws.

She consults on a variety of tax topics for businesses and individuals, including state income tax nexus, research and expenditures, 704(b) capital account maintenance, federal and state tax credits and like-kind exchanges. Kerra also has experience in insolvency tax and planning for debt restructuring, reorganizations, and liquidations, in addition to state tax examinations and residency audits.

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:

  • BS, Accounting, California State University, Northridge

 

Professional Affiliations:

  • Member, American Institute of Certified Public Accountants (AICPA)
  • Member, California Society of Certified Public Accountants (CalCPA)
  • Member, ProVisors

 

Kerra has a passion for volunteerism and giving back. Kerra previously participated in the Leukemia and Lymphoma Society’s Light The Night Executive Challenge, and her team raised almost $130k. She also previously volunteered for Girl Scouts of America and was the official scorekeeper for the West Ranch High School Softball team in Santa Clarita. Most recently, Los Angeles Business Journal (LABJ) named Kerra to the Leaders of Influence: Women in Accounting list for 2023. She was also included on LABJ’s Top 100 Accountants list for 2023.

When she’s not at the office, Kerra spends her time with her family, including her three children. They enjoy spending time outdoors and partaking in activities like hiking, mountain biking, snowboarding, wakeboarding, softball and volleyball. Her hidden talent is baking macarons.

Authored Insights

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Kerra-Diener-Aza-Ghazaryan (1)
Los Angeles Business Journal Names Two Withum Leaders As Influential Women

Withum is proud to share that the Los Angeles Business Journal (LABJ) has named Aza Ghazaryan, Partner, and Kerra Diener, Partner, on their Leaders of Influence: Women in Accounting list for 2025. Aza Ghazaryan CPA, MBA, is a tax partner with over 15 years of experience in helping business minimize their tax liability. She provides…

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Los Angeles Business Journal Names Two Withum Leaders As Influential Women: (LABJ) has named Kerra Diener, Partner, and Lilit Nersisyan.
Los Angeles Business Journal Honors Two Withum Leaders As Influential Women

Withum is proud to share that the Los Angeles Business Journal (LABJ) has named Kerra Diener, Partner, and Lilit Nersisyan, Principal, on their Leaders of Influence: Women in Accounting list for 2024. Kerra Diener, CPA, is a Partner assisting multi-national and multi-state business entities with a wide range of federal and state tax topics. Her…

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Two business women smiling. Aza Ghazaryan, Tax Partner, and Kerra Diener, Tax Senior Manager.
Withum Team Members Named as Top 100 Accountants in Los Angeles

Withum is proud to share that the Los Angeles Business Journal has recognized Aza Ghazaryan, Tax Partner, and Kerra Diener, Tax Senior Manager, on its Top 100 Accountants list for 2023. Aza Ghazaryan, CPA, MBA, is a tax partner with over 15 years of experience helping businesses minimize their tax liability. She provides tax compliance…