He is a retired diplomat specializing in the post-Soviet region. He earned his PhD in the field of international relations theory. As an associate professor at Eszterházy Károly University, he taught courses in strategic planning, security policy, and international relations theory.
As a diplomat, he represented his country in Ukraine, served as envoy in Moscow, and as ambassador to Moldova. In the four years preceding the war in Ukraine (2017–2021), he served as Head of the Observer Mission of the Organization for Security and Co-operation in Europe (OSCE) in the Russian Federation, stationed along the Russian–Ukrainian state border. There, on behalf of the 57-member organization, he led continuous international monitoring aimed at facilitating the resolution of the conflict along the section of the border of the separatist region in Ukraine that is not controlled by the Ukrainian governmen
He is a public body member of the Hungarian Academy of Sciences (MTA).