Yuliana Onishchuk obtained her Law Degree in Taras Schevchenko National University of Kiev majoring Constitutional Law. During her fourth year of studies she attended specialized seminars on Competition Law and Trade Law.
From January 2013 to May 2014 she did an internship at Koziakov & Partners where she was involved in the international trade group and was occasionally assisting the competition law group. Her responsibilities included legal research on international trade and competition law matters, translation of various documents from or into English and assisting in drafting legal memoranda. On 7 April 2014 she participated in the WTO Model Workshop organized by the Embassy of the United Nations in Ukraine together with the Institute of International Relations. In this activity, and together with her team, she won this competition. In addition, during her university studies she participated in conferences and she wrote a few articles.