Kostiantyn Hennadiiovych Kulyk (Ukrainian: Костянтин Геннадійович Кулик, born 3 November 1977) is a Ukrainian former prosecutor who was involved in creating a dossier regarding the activities of Hunter Biden.[1] According to the New York Times, Rudy Giuliani planned to meet Kulyk in Europe in 2019 to discuss allegations regarding the then-former U.S. Vice President Joe Biden.[2]
He has been indicted on several occasions by Ukrainian prosecutors on corruption charges.[1] According to the Ukrainian news agency RBC-Ukraine, charges of illegal enrichment against him were dropped in April 2020.[4] In 2021, the U.S. Treasury Department accused him of participation in disinformation operations associated with Andrii Derkach and targeted at the United States,[5] and he was added to the U.S. government Specially Designated Nationals sanctions list.[6][7] In November 2023, he was charged with treason by Ukrainian prosecutors.[8][9]