Withum is proud to share that Kerra Diener has been recognized for the second year as a Top 100 Accountant by the Los Angeles Business Journal (LABJ). The list features the greater Los Angeles region’s top trusted advisors who demonstrate regulatory guidance, organizational growth and financial integrity.
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.
The Los Angeles Business Journal’s Top 100 Accountants is an annual recognition honoring leading accounting professionals in the region for their achievements, leadership and contributions to the Los Angeles business community. Honorees were recognized at a private reception on May 20, 2026. The full list of the LABJ’s Top 100 Accountants Class of 2026 can be found here.
Robin brings more than 20 years of investment banking and principal investing experience, advising founder-led, family-owned and privately held companies. Throughout his career, he has advised on transactions exceeding $30 billion in aggregate value, including M&A transactions, leveraged buyouts, recapitalizations, restructurings and debt and equity financings. His experience spans a broad range of industries, providing…
Chelsie is a leader in Withum’s San Ramon, CA, office, where she specializes in audits of employee benefit plans, labor organizations and multiemployer benefit plans. She was recognized for her dedication to clients, technical proficiency and ability to help organizations address audit and compliance requirements. Chelsie is deeply committed to fostering the next generation of…
Chris Passmore and Steve Martini have made a lasting impact across the San Fernando Valley through their leadership, business advisory skills and community involvement. Recognized for helping businesses navigate change, create opportunity and drive growth, they have strengthened the region’s business community while contributing to its long-term economic vitality. Chris Passmore is the Partner-in-Charge of Withum’s…