He has worked for over 33 years in the foreign, government and international civil services. He is currently serving as Chef de Cabinet to his third Director-General of the United Nations Office at Geneva (UNOG). During his fifteen years in Geneva, he served at different times as Director of the UN Library at Geneva and Chairman of the UNOG Cultural Activities Committee, acting Senior Political Adviser to the Director-General of UNOG, Senior Adviser to the UN High Commissioner for Human Rights and Chief of Communications and NGO Partnerships, and spokesman for the 61st session of the Commission on Human Rights.
Chikvaidze served in New York in 1993-2003. He performed various sensitive tasks, both at UN Headquarters and in the field, among these: negotiating humanitarian appeals and aid monitoring in 1996-97 in Pyongyang with the DPRK government following heavy flooding there; in 1999, assisting Sergio Vieira de Mello in negotiating humanitarian needs with the Yugoslav authorities, and access to internally displaced persons in the FRY, including Kosovo; assisting the Personal Envoy of the Secretary-General for Western Sahara James A. Baker III on his confidential missions to Algeria, Morocco and Mauritania; disaster assessment and coordination in Tajikistan and Afghanistan after earthquakes in 1998; coordinating assistance to the victims of the Chernobyl nuclear accident; organizing the UN 50 commemorative events in New York and San Francisco, etc.
In addition to his line duties, Chikvaidze has performed other tasks including: substantive support to three Directors-General in their function as Secretary-General of the Conference on Disarmament and Personal Envoy of the Secretary-General to the Conference; substantive support to the Director-General in his capacity as Acting Executive Secretary of the UN Economic Commission for Europe; press officer for James A. Baker III; spokesman and speechwriter on missions with UN Under-Secretaries-General Eliasson, Hansen, Akashi and Vieira de Mello; press officer for the Ashgabad International Forum on Afghanistan; for the Vienna International Donor Meeting on Tajikistan, and others.
Prior to joining the United Nations, Chikvaidze served as presidential protocol and advance officer for President Gorbachev and, later, as deputy Chief of Office and scheduler for President Gorbachev and as presidential protocol officer for President Yeltsin. A diplomat by training, he spent five years in Washington, D.C. (1985-1990), where, as special assistant to the Soviet Ambassador and Chief of Protocol of the Embassy, he worked with the White House, the Department of State, other Executive Departments, on US-Soviet Summits and Ministerial meetings.