She also serves as Liechtenstein's Permanent Representative to the Organization for Security and Co-operation in Europe and to the United Nations.

[1] Since her marriage, she has been officially styled as "Her Serene Highness Maria-Pia Kothbauer, Princess of Liechtenstein".

[2][3] Princess Maria-Pia graduated from the Schule der Dominikanerinnen, run by Dominican nuns, in Vienna in 1978.

[4][5] From 1984 until 1986, she worked for the United Nations High Commissioner for Refugees, and then from 1987 until 1988 for the Foreign Department of Caritas in Vienna.

In December next year, Kothbauer assumed the office of Ambassador Extraordinary and Plenipotentiary of Liechtenstein to Austria.