[2] Nepop entered the Ukrainian diplomatic service and served as an attaché in the Ministry of Foreign Affairs of Ukraine's Department for Europe and America from 1996 to 1997.

She was the President of the Danube Commission in addition to her role as Political Director of the Ukrainian Ministry of Foreign Affairs.

[5] Nepop has been critical of the Hungarian administration ever since the war in Ukraine started, citing among other things the lack of a unified stance with other EU members.

She also doubted that Vladimir Putin would halt the invasion of Ukraine if the Russians prevailed, drawing a comparison between the current situation and the 1956 Hungarian Revolution.

Foreign Minister Péter Szijjártó summoned her "over insulting remarks by Ukrainian authorities directed against the Hungarian leadership.