Katherine G. Leonard was sworn in as an Associate Judge of the Intermediate Court of Appeals on January 30, 2008.

In 1992, Judge Leonard joined the law firm of Carlsmith Ball LLP, where she was a partner for over 10 years prior to her judicial appointment. As a lawyer, she practiced in complex commercial, financial, real estate, environmental, trust and business law litigation and dispute resolution.

Judge Leonard received her law degree from the William S. Richardson School of Law, where she served as the Editor-in-Chief of the Law Review and received numerous academic honors. Following law school, she was a law clerk for Justice Robert J. Klein (ret.).

Judge Leonard was a founding Board Member of the Hawai`i Chapter of the American Judicature Society and continues to serve an active role in the Hawai`i Chapter.