Graduated from Ivan Franko National University of Lviv. Completed specialized courses on human rights in Great Britain, Germany, Denmark, South Africa, and France.

One of the founders of the Ukrainian Helsinki Human Rights Union and its first executive director from 2004 to 2012. Co-founder of the International Human Rights Documentary Film Festival Docudays UA and head of the board of the NGO “Docudays”.

Specializes in current issues of human rights protection and the activities of human rights organizations. Among his core topics are war crimes and other international crimes of the Russian Federation, the creation of a special tribunal regarding the crime of aggression, the ratification of the Rome Statute of the International Criminal Court, as well as the work of international human rights protection mechanisms, in particular the Council of Europe, the UN, and the European Court of Human Rights.

He is also an expert on issues of reform of the Security Service of Ukraine, control over the activities of law enforcement agencies and authorities, the right to privacy and personal data protection, freedom of peaceful assembly, and freedom of association. He pays particular attention to threats to democracy in Ukraine and to Ukraine’s accession to the European Union.

Since 2024, program director of the Center for Civil Liberties. Previously, he was a member of the expert council of the organization.