Ukraine-U.S. Relations Washington Post: Testimony of former ambassador to Ukraine Marie Yovanovitch By Washington Post. Published Nov. 4, 2019 at 10:10 pm Then - U.S. Ambassador to Ukraine Marie L. Yovanovitch on June 26, 2017. Photo by Oleg Petrasiuk The testimony of former U.S. Ambassador to Ukraine Marie “Masha” Yovanovitch from Oct. 11, 2019. Read the full text here.