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Monday, Mar 16, 2026
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OC500 2025: WAYNE PINNELL  

WAYNE PINNELL  

MANAGING PARTNER  

HASKELL & WHITE LLP  

   

WHY: Long-time leader of Irvine-based accounting firm with 120 employees. Managing partner since 2004. Clients over the years have included both publicly-traded and privately-held firms, ranging in size from small, family-owned businesses to corporations with revenues in excess of $800M annually. 

NOTABLE: Previous winner of Organizational Excellence in Community Engagement from Cal State Fullerton’s Giles-O’Malley Center for Leadership. Marked its 24th year sponsoring the Haskell & White Academic Conference at CSUF’s College of Business and Economics.   

QUOTABLE: “I continue to be amazed at the intellect, topics and depth of research presented each year. I am also proud to see that this conference has truly achieved notoriety and stature at the national level.”— Pinnell wrote on LinkedIn about the latest Haskell & White Academic Conference  

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