Since 1st November 2017 – Executive Director of the Ukrainian Helsinki Human Rights Union. Deputy Head of the Commission under the President of Ukraine on pardons (since August 2019) Member of the Supervisory Board of National Public Broadcasting Company of Ukraine (since December 2017). Member of the Legal Reform Commission under the President of Ukraine (since August 2019). Member of the Consultative Council on protection rights and freedoms of defenders of Ukraine (since April 2021). For over 10 years, led the diplomatic institution –Information Office of the Council of Europe in Ukraine. For 15 years, he had been involved in project coordination and management by the Council of Europe in Ukraine. Was an executive director of the “Ukrainian Legal Aid Foundation” – organisation which developed the legal aid provision standards in Ukraine. The author and co-author of a number of publications on the case-law of the European Court of Human Rights, manuals and guides on the issues of rights for information, in particular, access to public information, as well as the publications on the free legal aid. Worked at the philological faculty of Kyiv State University named after Taras Shevchenko (deputy dean of the philological faculty on the work with foreign students) and at the Ministry of Foreign Affairs of Ukraine at the department of information.