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. In 1997 he was posted back to Vietnam as Ambassador. He later served as Ambassador to both South and North Korea (2004-07) and to the UN and Conference on Disarmament in Geneva (2007-11). He retired in 2012 after a secondment as Director-General for International Security Policy in the Department of National Defence.
