Date of Birth: 
About Klaus Sahlgren
- Klaus Aksel Sahlgren (11 August 1928, Helsinki – 5 July 2019, Korpo) was a Finnish diplomat, a Bachelor of Political Sciences.
- He served as Deputy Director General for Trade Policy at the Ministry for Foreign Affairs 1969–1970, Permanent Representative of Finland to Geneva, United Nations International Organizations 1970–1975, Deputy Secretary-General of the United Nations 1975–1983, and Secretary-General of the United Nations Economic Commission for Europe 1983–1986.After retiring, Sahlgren settled in Korpo and was involved in local politics.
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