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zachariah d. hansen

Associate Attorney

Since 2009, Zach has had the privilege to represent hundreds of injured workers in their personal injury and workers’ compensation claims, including arguing on behalf of a refinery worker before the 1st District Court of Appeal. Zach consistently obtains impressive disability awards for his workers’ compensation clients, and equally impressive resolutions on behalf of his personal injury clients.

Zach was actually a student in Bob Arns’ trial practice class at the University of San Francisco Law School. After the class was completed, Bob was so impressed with Zach’s ability, great heart for the cause, and calm demeanor in the heat of battle, he offered Zach a job.

Zachariah Hansen has proven himself as an indefatigable litigator who has obtained outstanding results for the clients of The Arns Law Firm. Zach has been dedicating his legal career to helping people who have been injured obtain the compensation they deserve.

Memberships: San Francisco Trial Lawyers Association

Practice Areas

Multi-employer Construction Site Injury

Workers' Compensation

Serious and Willful Employer Misconduct

Labor Code 132a Claims

Wrongful Death

Catastrophic Injury


University of San Francisco School of Law (2009)

Juris Doctor

University of Washington (2005)

B.A. History


Super Lawyer "Rising Star" 2017-2020

Publications and Presentations

"Check the Box: Don't Miss a Third Party in a Workplace Injury." Forum, 2019, Vol. 49 No. 6​

"I was assaulted by my co-worker and am now unable to work. What are my options?" Organized Labor, Ask the Expert Monthly Series

"I do not think I can keep doing my job because my body has worn down, can I still file a workers' compensation claim?" Organized Labor, Ask the Expert Monthly Series

“I was injured on the job and have now been released back to full duty. Does my employer have to give me my job back?” Organized Labor, Ask the Expert Monthly Series

"I have a work injury. My doctor gave me work restrictions and my employer offered me modified duty. Do I have to show up?" Organized Labor, Ask the Expert Monthly Series

"I feel like my trade has damaged my body over time to the point where I can no longer work, but nothing specific ever happened. Can I still file for workers' compensation benefits?" Organized Labor, Ask the Expert Monthly Series

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