| 1970-1974 | Budapest University of Economics, Faculty of Diplomacy |
| 1974 | Desk officer, Ministry of Foreign Affairs, Budapest |
| 1977 | Doctor of political science |
| 1979 | Habilitation at Zrinyi Miklós National Defense University |
| 1981-1986 | Alternate Permanent Representative of Hungary to the International Atomic Energy Agency (IAEA), member and spokesman of the Hungarian Delegation to the Multilateral and Balanced Force Reduction (MBFR) negotiations, Vienna |
| 1987-1990 | Member of the Hungarian delegation to the Follow-up Meeting of the Conference on Security and Co-operation in Europe (CSCE), Vienna |
| 1990-1992 | Head of the Hungarian Delegation to the Joint Consultative Group, CSBMs and Open Skies, Vienna |
| 1992-1994 | Head of the Hungarian delegation to the expert meeting of the Helsinki Summit of the CSCE, Helsinki; Member of the Hungarian delegation to the Helsinki Summit Meeting of the CSCE, Helsinki; Head of the Hungarian expert Delegation to the London Conference on Yugoslavia |
| Head of Department for Security Policy and Co-operation in Europe, Ministry of Foreign Affairs, Hungarian Representative to the Council of Senior Officials of the CSCE, Budapest |
| 1993-1994 | Personal Representative of the Chairman-in-Office of the CSCE to Georgia, Budapest-Tbilisi |
| 1993 | Head of the Hungarian delegation to the Preparatory Meeting of the CSCE Summit, Budapest |
| 1994 | Executive Secretary of the Budapest Summit Meeting of the CSCE |
| 1994-1995 | Chairman of the Senior Council of the OSCE, Personal Representative of the Chairman-in-Office of the OSCE to Chechnya, Nagorno Karabakh, Moldova, Budapest |
| 1996 | Personal representative of the Chairman-in-Office of the OSCE to the negotiations on confidence- and security-building measures in Bosnia and Herzegovina |
| 1996-1998 | Deputy State Secretary of Integration, Ministry of Defense, Budapest |
| 1998-1999 | Under-secretary of Policy, Ministry of Defense, Budapest |
| Chairman of the Missile Technology Control Regime, Budapest |
| 1999-2000 | Special Adviser to the Minister of Foreign Affairs of Hungary, Budapest |
| Chairman of the Organization for the Prohibition of Chemical Weapons |
| 2000-2003 | Senior Vice President of the EastWest Institute |
| since 2004 | Member of the advisory board of the Prime Minister of Hungary |
| 2004 | Head of the OSCE/ODIHR Election Monitoring Mission in Moldova |
