Guillermo Emilio Ortiz is an experienced labor and employment attorney. He has represented insurance companies and employers in all manner of workers’ compensation cases, including 132a claims and serious and willful misconduct claims, from initial client referral through trial. Prior to joining Littler, Guillermo handled more than 300 workers’ compensation cases. He has also taken hundreds of applicant depositions, and has been successful in cross-examining medical practitioners.

Guillermo began his career defending immigrants in immigration court and has helped hundreds of individuals stay in the United States pending deportation proceedings. Additionally, he has reunited families after securing freedom for their family members being detained by the Department of Homeland Security. He has represented immigrants before the Ninth Circuit Federal Court of Appeals and the Board of Immigration Appeals. Guillermo also has experience in criminal courts, representing individuals while taking into consideration the immigration consequences of any criminal convictions.


  • J.D., Whittier Law School, 2011
  • B.A., Loyola Marymount University, 2004


  • Spanish

Bar Admission



  • California Supreme Court
  • U.S. Court of Appeals, 9th Circuit