Marius Grinius joined the Canadian Foreign Service in 1979 after serving in the Canadian Army for 12 years. His early overseas postings included Bangkok, NATO/Brussels and Hanoi. Assignments back in Ottawa included desk officer for nuclear arms control, Director for Asia Pacific South and then Director for South East Asia. In 1997 he was posted back to Vietnam as Ambassador.
Marius spent 1999 to 2004 in Ottawa where he worked in the Privy Council Office in Social Policy, Western Economic Diversification and then again in the Privy Council Office as Director of Operations in the Security and Intelligence Secretariat. In 2004 he was named Ambassador to South Korea and added cross-accreditation to North Korea in 2005. In 2007 Marius was posted to Geneva as Ambassador and Permanent Representative to the United Nations and the Conference on Disarmament. He returned to Ottawa in 2011 for a secondment to the Department of National Defence as Director General International Security Policy. Marius retired in 2012 after 45 years of service to Canada.
While trying to maintain his “gentleman of leisure” status, Marius has given presentations at various conferences and seminars related to international security, Canadian foreign and defence policy, and Canada’s place in Asia.
He is a graduate of the Royal Military College, Class of 1971.