Sossi Tatikyan holds a Master of Public Administration degree from the Harvard Kennedy School, has been a NATO Defense College Partnership for Peace Fellow, and is currently a PhD Researcher in Sorbonne Nouvelle University. Her main research topics are: Ethnic conflicts, cognitive warfare and lawfare, Euro-Atlantic integration, security dilemmas of small states.

In her first career, she was a diplomat, representing Armenia in NATO and IAEA. Subsequently she has been an OSCE and UN Political and Security Sector Reform Advisor in the UN missions in Kosovo, Timor-Leste, Central African Republic and African Union. She has coordinated UNDP and Freedom House democratic governance projects and conducted research on security sector governance for DCAF (Security Governance Center in Geneva) in Armenia. 

Since 2021, Sossi has been acting as an independent analyst on foreign and security policies, involved in informal public diplomacy and peacebuilding. She combines academic research and policy work through articles, policy advice and public speaking. She is a member of the UN Senior Women Talent Pipeline and UN Security Sector Reform Advisory Network.

Sossi Tatikyan's publications are available here.