Liis Vihul was a member of the Law and Policy Branch in 2008-2017. Her work focused on public international law, including serving as the managing editor of the Tallinn Manual 2.0 on the International Law Applicable to Cyber Operations, co-directing the Centre’s International Law of Cyber Operations course, and developing the concept for Locked Shields exercise’s legal play.
Currently, Liis Vihul is the Founder and Chief Executive Officer of Cyber Law International, a firm that provides international cyber law training and consulting services for governments and international organizations worldwide. In 2014–21, she was a member of, and advised, the Estonian delegation at the United Nations Group of Governmental Experts on Information and Telecommunications in the Context of International Security. She holds master’s degrees in law from the University of Tartu and in information security from the University of London. In 2016, she was awarded the Golden Badge of the Estonian Ministry of Defence for her work in international cyber law.