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"Currently he is Chair of the Earth Council, president of the UN-created University for Peace, special advisor to the president of the World Bank, Chair of many corporations and on the board of numerous organizations. Strong was Chair of the International Development Research Centre, president, chairman and CEO of [[Petro-Canada]] and president of [[Power Corporation]]," a biographical note states. [http://www.yorku.ca/fes/fesnews/mstrong.asp] Strong's career has included working as:*president of the Power Corporation of Canada until 1966;*then head Canada’s External Aid Office (which later became the Canadian International Development Agency);*Secretary- General of the United Nations Conference on the Human Environment between November 1970 until December 1972; *President, chairman and CEO of Petro-Canada (1976-78); *Chairman of the International Energy Development Corporation from 1980 to 1983;*Canada Development Investment Corporation from 1982 to 1984.*Since 1985, he has been an Under-Secretary-General of the United Nations; from 1990 to 1993, he was Secretary-General of the United Nations Conference on Environment and Development - the Earth Summit in Rio de Janeiro; *In 1985 and 1986, he was concurrently Executive Co-Founder, Chairman Emeritus Biography, Coordinator of the United Nations Office for Emergency Operations in Africa and a member of the World Commission on Environment and Development.