S. Joanna Dyriam

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Biography

Joanna Dyriam is a partner in WSHB's Thousand Oaks office. Born and raised in Singapore, she was educated in the Sciences and Mathematics, including Physics, Chemistry and Advanced Mathematics.

An astute and versatile lawyer, Joanna is well-regarded for her success in handling complex civil litigation. Her practice is focused on professional liability, tort and transportation litigation. This diversified skill set provides rich dividends for the matters she handles which involve all aspects of general liability and employment issues. Her forte she brings to every matter handled is a laser-like, surgical approach to targeted discovery focused at securing key evidence required to resolve the most complex cases. This approach has allowed Joanna to successfully resolve matters through dispositive motions and efficient settlement conferences.

Joanna brings her international background to the firm’s Diversity, Equality and Inclusion Task Force where she is a passionate and proactive advocate. She is licensed to practice in all California state courts and the United States District Court for the Central District of California.

Newsroom

News

•WSHB Highlights Deep Bench of Talent With Elevation of 26 Attorneys to Partnership in 2026
Firm News, 1.1.26

Publications

•California Appeals Court Confirms Codefendant Can Oppose Summary Judgment
Case Updates, 12.11.25
•Navigating California's Workers' Compensation Exclusivity Rule in Civil Litigation and Settlement Strategy
Article, 4.28.25

In the News

•WSHB Highlights Deep Bench of Talent With Elevation of 26 Attorneys to Partnership in 2026
•California Appeals Court Confirms Codefendant Can Oppose Summary Judgment
•California Appeals Court Confirms Codefendant Can Oppose Summary Judgment
•Navigating California's Workers' Compensation Exclusivity Rule in Civil Litigation and Settlement Strategy

Honors & Recognitions

•Best Lawyers: Ones to Watch recognition for Litigation - Construction and Personal Injury Litigation - Defendants in Thousand Oaks, CA (2025 - 2026)

See more ›

Areas of Practice (5)

  • Construction
  • Professional Liability
  • Employment
  • Transportation
  • Complex Tort and Casualty

Education & Credentials

University Attended:
Loyola Marymount University, B.A., cum laude, 2001
Law School Attended:
Southwestern Law School, J.D., 2009
Year of First Admission:
2018
Admission:
2018, California
Languages:
Tamil
Reported Cases:
Experience: California Appeals Court Confirms Codefendant Can Oppose Summary Judgment; 12.11.25; WSHB Win in Complex Elder Abuse and Wrongful Death Suit; 8.30.23; Extended Statute of Repose for Injury or Wrongful Death Action is Not Applicable to Employer of Offender; 7.13.22
ISLN:
1000389742

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Contact Information:

www.wshblaw.com/attorney/s-joanna-dyriam

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