Which person was the head of government of XXX?
Russia
Russia is a great power and a permanent member of the United Nations Security Council, a member of the G20, the Council of Europe, the Asia-Pacific Economic Cooperation (APEC), the Shanghai Cooperation Organisation (SCO), the Organization for Security and Co-operation in Europe (OSCE), and the World Trade Organization (WTO), as well as being the leading member of the Commonwealth of Independent States (CIS), the Collective Security Treaty Organization (CSTO) and one of the 5 members of the Eurasian Economic Union (EEU), along with Armenia, Belarus, Kazakhstan and Kyrgyzstan.