A graduate of Sacred Hearts Academy, Park received a Bachelor of Arts, cum laude, from Chaminade University of Honolulu in 1991 and a Juris Doctor from the William S. Richardson School of Law at the University of Hawaiʻi at Mānoa in 1995.

From 2017 to 2021, she worked at the Honolulu law firms McCorriston Miller Mukai MacKinnon, L.L.P.

She was nominated to fill the vacancy left by the elevation of Judge Karen T. Nakasone.

President Biden nominated Park to the seat vacated by Judge Leslie E. Kobayashi, who subsequently assumed senior status on October 9, 2024.

[9] On November 29, 2023, the United States Senate invoked cloture on her nomination by a 53–44 vote.