John J. Tiemessen

John J. Tiemessen is a senior-level attorney with a long-standing focus on defending professional malpractice and occupational licensing cases. He has successfully tried more than a dozen complex jury trials involving severe personal injury and wrongful death, often with claims exceeding $1 million in damages.

John holds a Bachelor of Science degree in Political Science from Arizona State University, graduating magna cum laude in 1987. He earned his Juris Doctor from Willamette University College of Law in 1991, graduating cum laude. While in law school, he served on the Moot Court Board and competed with the Western Regional Mock Trial Team.

John has represented clients in a wide range of significant civil matters. His litigation experience includes notable cases such as Doan v. Banner Health, Inc. and Hymes v. DeRamus. His practice spans civil disputes, high-stakes jury trials, and disciplinary actions tied to professional licenses.

John has shared his legal insight at seminars and educational forums, including events hosted by CNA Insurance Companies, the University of Alaska, the Alaska Bar Association, and several medical and dental societies. His lectures often cover risk management, trial strategies, and professional ethics.

In addition to his courtroom work, John contributes to the legal field through published legal scholarship, including his article in the Alaska Law Review. He has also dedicated time to public service through roles in Bar leadership and pro bono work, such as volunteering for the Alaska Bar Association’s MLK Day Pro Bono Clinic.

John J. Tiemessen has received professional recognition as one of Alaska’s “Super Lawyers” for over a decade. He is a member of the Association of Defense Trial Attorneys and has served in leadership positions within the Alaska Bar Association and other regional legal groups. His continued work reflects a commitment to fair legal practice and professional accountability.

Law Office Affiliations

• Senior Attorney, Clapp, Peterson, Tiemessen, Thorsness LLC
• Member, Alaska Bar Association
• Member, Association of Defense Trial Attorneys

Licensed State

• Alaska

Education

• Willamette University College of Law
  Juris Doctor (JD)
• Arizona State University
  Bachelor of Science (BS)

Awards & Badges