Heidi L. Mandt

  • Undergrad School: BS, Psychology, Washington State University
  • Graduate School: MHAL, Washington State University (2025 graduation date)
  • Law School: Willamette University College of Law
Headshot of Heidi L. Mandt
Firm: Williams Kastner (OR)
1515 SW Fifth Avenue
Suite 600
Portland OR 97201
United States

Heidi Mandt, a partner in the Portland office of Williams Kastner, is a litigator that regularly defends clients in medical negligence and other malpractice/professional liability claims, as well as product liability and general third-party liability claims. Heidi has significant experience handling complex matters, including catastrophic personal injury and death cases.

Having tried in excess of 30 cases to verdict, Heidi's experience and success in the courtroom has established her as a leader in major cases with high monetary exposure.

Heidi has been recognized by The Best Lawyers in America® every year since 2017.
She is admitted to practice in all state and federal courts in Oregon, Washington and Idaho, as well as the Ninth Circuit Court of Appeals. Heidi is set to receive her Masters of Healthcare Administration and Leadership (MHAL) in 2025 from the Washington State University Elson S. Floyd College of Medicine.

USLAW Practice Group Affiliations

  • Complex Tort and Product Liability: Primary
  • Medical Law: Primary
  • Professional Liability: Primary
  • Retail and Hospitality Law: Primary
  • Transportation and Logistics: Primary

Resources & Articles

Alexander, Mandt named to USLAW Medical Law Practice Group leadership

Alexander, Mandt named to USLAW Medical Law Practice Group leadership

Posted July 27, 2022

We are pleased to announce that Donn C. Alexander of Jones, Skelton & Hochuli, P.L.C. in Arizona and Heidi L. Mandt of Williams Kastner in Oregon have been named chair and vice chair, respectively, of the USLAW NETWORK Medical Law Practice Group. The USLAW Medical Law Practice Group is a… Continue Reading

Mediation Techniques and the Tripartite Relationship

Mediation Techniques and the Tripartite Relationship

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