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John R. Mannebach III

Associate
Portland
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John R. Mannebach III is an associate in the Portland, Oregon, office of Jackson Lewis P.C. John’s practice focuses on employment litigation. He represents employers in a wide range of employment matters, including claims involving discrimination, retaliation, harassment, and other related issues.

He earned his Juris Doctor from University of Oregon, School of Law. While in law school, John clerked for a modest-means non-profit law firm, volunteered with a tenant association, and served as an Executive Editor of Oregon Law Review. He received additional recognition for his pro bono work and leadership.

Prior to joining Jackson Lewis, John was an associate attorney for a plaintiff-side employment litigation firm. This experience provides John with the ability to effectively anticipate, critically evaluate, and successfully defend against employment claims from plaintiffs.

In John’s spare time, he enjoys running, cycling, and skiing across the Pacific Northwest. He also enjoys volunteering and spending quality time with his dog, Josie.

Pro Bono and Community Involvement

  • Big Brothers Big Sisters Columbia Northwest, Big Brother (2026)

Credentials

Education
University of Oregon School of Law
J.D.
Loyola University Chicago
B.B.A.
Admitted to Practice
Oregon
Professional Associations and Activities
Multnomah Bar Association
Oregon Trial Lawyers Association
Oregon State Bar Association

University of Oregon School of Law
J.D.
Loyola University Chicago
B.B.A.

Oregon

Multnomah Bar Association
Oregon Trial Lawyers Association
Oregon State Bar Association