1974 :
Joined the Ministry of Foreign Affairs
1980 :
Chief , Commerce and Industry Division Office of ASEAN - Thailand
1981:
First Secretary, Royal Thai Embassy, Bonn
1984:
Counselor, Royal Thai Embassy, Bonn
1985:
Director, Southeast Asia Division , Department of Political Affairs
1988:
Minister, Royal Thai Embassy, London
1991:
Ambassador attached to the Ministry of Foreign Affairs
1992:
Director-General, Department of East Asian Affairs
1994:
Ambassador of the Kingdom of Thailand to the Swiss Federation,
Holy See and Principality of Liechtenstein
1999:
Director-General, Department Information
2000:
Ambassador of the Kingdom of Thailand
to the People’s Republic of China,
Democratic People's Republic of Korea and Mongolia
2004:
Ambassador of the Kingdom of Thailand to the European Union,
Kingdom of Belgium, and Grand Duchy of Luxembourg
2007:
Ambassador, Permanent Representative of the Kingdom of Thailand
to the United Nations, New York, United States of America
2009:
Ambassador of the Kingdom of Thailand
to the United States of America
2014:
Deputy Minister of Foreign Affairs of the Kingdom of Thailand
2015:
Minister of Foreign Affairs of the Kingdom of Thailand
5 Aug 2020 - Present:
Deputy Prime Minister and Minister of Foreign Affairs
of the Kingdom of Thailand