William Yoo represents and counsels employers in all California Workers' Compensation matters as well as Serious and Willful Misconduct Claims and Labor Code Section 132(a) discrimination claims before the Workers' Compensation Appeals Board. His practice primarily encompasses defending major employer corporations against workers' compensation claims with an emphasis on aggressive litigation. Bill regularly advises regarding crossover issues concerning workers' compensation issues with all aspects of employment law, including independent contractor, COVID-19/leave, and review of audits of pending claims. 

Bill also oversees and collaborates with Littler attorneys and local counsel in multiple states/jurisdictions throughout the United States to protect clients' interests in workers' compensation matters, providing nationwide employers uniformity in how claims are handled. 

Prior to joining Littler, Bill was a shareholder attorney at his previous firm, concentrating in workers' compensation law with diverse clients ranging from sports teams, major insurance companies, uninsured employers, major staffing agencies, public entities and major corporations. His emphasis on consistent client communication and fostering of relationships have created a strong bond between Bill and his client base.

Affiliazioni professionali e istituzionali


National Asian Pacific American Bar Association


Recipient, Pro Bono Service Award

Orange County Korean American Bar Association


Speaking Engagements

Annual California Legislative Employment Law Update

Littler Webinar

November 9, 2020


  • J.D., Pennsylvania State University, Dickinson School of Law, 2007
  • B.A., University of California, Irvine, 2004

Foro di appartenenza