[1] Kvien has also served in Thailand as Acting Deputy Chief of Mission at the Embassy of the United States, Bangkok.

[2][3] Before being posted to Ukraine, Kvien served at the Embassy of the United States, Paris from 2016 to April 2019 as Acting Deputy Chief of Mission and Minister Counselor for Economic Affairs.

[4][5] At the Embassy of the United States, Kyiv, Kvien assumed the post of chargée d'affaires from Joseph S. Pennington[6] on May 28, 2019.

[9] On June 22, 2022, President Joe Biden nominated Kvien to serve as the United States ambassador to Armenia.

[12] She was sworn in by Under Secretary Uzra Zeya on January 26, 2023,[13] and presented her credentials to President Vahagn Khachaturyan on February 21, 2023.