Sossi Tatikyan has Master of Public Administration from Harvard Kennedy School, Executive MBA from ESCP Business School, has been a NATO Defense College Partnership for Peace Fellow, and is currently a PhD Candidate in Sorbonne Nouvelle University.
In her first career, she has been a diplomat in various departments of the Foreign Ministry, starting her career in the Divisions of Iran and Human Rights, and later representing Armenia in the International Atomic Energy Agency and NATO. Subsequently she has been an OSCE, UN and EU Political and Security Sector Governance Advisor in Kosovo, Timor-Leste, Central African Republic, African Union and The Gambia. She is a member of the UN Senior Women Talent Pipeline and UN Security Sector Reform Advisory Network.
Upon her return to Armenia, she coordinated UNDP and Freedom House democratic governance projects and conducted research on behalf of DCAF (Security Governance Center in Geneva) in Armenia. Since 2021, Sossi has been acting as an independent analyst on foreign and security policies and conflict resolution, combining academic research and policy work through articles, advice to Armenian and international stakeholders, public speech, and involvement in public diplomacy and peace-building activities. She is a member of the Defense and Security Committee of the Public Council of Armenia and Public Council of the Foreign Ministry of Armenia.
Her publications have been published by NATO Defense College, Centre for Baltic and East European Studies, International Institute of Humanitarian Law, IALS Law Review, Heinrich Böll Foundation, Institut Montaigne, The Mediterranean Foundation for Strategic Studies (FMES), New Eastern Europe, The Jamestown Foundation, Modern Diplomacy, and most regularly - in the EVN Report.
Her main policy and research areas are: Foreign policy analysis, security sector reform and governance, national security policies and strategies, ethnic conflicts, cognitive and information warfare and lawfare, foreign information manipulation & interference, European and Euro-Atlantic integration, security dilemmas of small states, energy security, peaceful uses of nuclear energy.