Viktoriia Estera Kozun is a Sister of the Order of St. Basil the Great from Ternopil, Ukraine. In 2016, after completing a degree in philology and qualifications to teach German language and world literature, she entered the monastery of the Holy Trinity Province of the Basilian Sisters in Ukraine. In earlier ministry, she worked as an educator and catechist in Yavoriv in the Lviv region, and as a secretary in the Episcopal Curia of the Donetsk Exarchate. Now she is a catechist and educator in a kindergarten in Perechyn in the Transcarpathia region.