Oksana Chaika (Čajka), PhD in linguistics, holds a few positions concurrently – Associate Professor at NUBiP Ukraine, Chief External Relations at AC Crowe Ukraine, an international audit and consulting firm, certified transformational language & business coach, interpreter for governments & international organizations. The research interests inter alia include applied linguistics, education, psychology, comparative / contrastive studies of languages, terminologies, syntax and semantics, discourse, translation.