Lawyer, political scientist, publicist and translator. Sphere of expertise: questions of constitutionalism, European integration, and religious freedom.
Co-author of the State Program for the adaptation of the Ukrainian law to the EU law, co-author and the editor of the Ukrainian translation of the Treaty on the Introduction of the European Constitution and the Lisbon Treaty. In 2010, Druzenko was the invited research fellow at the Max Planck Institute for Comparative Public Law and International Law (Germany).
Druzenko holds an Masters of Law degree from the Kyiv National Shevchenko University and the University of Aberdeen.