She is doing her PhD in University of Tartu in the field of liability for internet service providers. Karmen participates in the work of various international NGOs engaged in protecting human rights, notably free Internet and the freedom of the press. For instance, Karmen is a coordinator of the Dynamic Coalition of Freedom of Expression and Freedom of the Media on the Internet, of the UN Internet Governance Forum and has been participating in the drafting of the Charter of Human Rights and Principles for the Internet.