Kerra Diener Named as 2026 Los Angeles Business Journal Top 100 Accountant

Kerra Diener is a partner in Withum’s Los Angeles, CA office, advising multinational and multistate businesses on complex federal and state tax matters. Known for her specialized technical depth, she helps corporate and private clients across industries, including industrial and consumer products, real estate, theatre and entertainment and cannabis, with expertise spanning tax planning, compliance, M&A and consulting.

The accolade highlighted her commitment to mentoring team members throughout their careers, as well as her active role in recruiting and onboarding talent across the Firm.

Her recognition extended to her active engagement in the Los Angeles professional community through memberships in CalCPA and ProVisors. She has demonstrated a strong commitment to civic involvement across the region, with past support of charitable and community initiatives, including fundraising for Blood Cancer United (formerly known as The Leukemia & Lymphoma Society), volunteering with the Girl Scouts of America and contributing to local youth athletics.