Professor Margaret MacMillan is a member of the Reuters Institute Steering Committee.
She became the fifth Warden of St Antony's College in July 2007. Prior to taking on the Wardenship, Professor MacMillan was Provost of Trinity College and professor of History at the University of Toronto. She was educated at the University of Toronto (Honours B.A. in History) and at St Antony's College, Oxford University (B.Phil in Politics and D.Phil).
From 1975 until 2002 she was a member of the History Department at Ryerson University in Toronto and she also served as Chair of the Department. She was editor of the International Journal from 1995 to 2003 and is on the boards of the Canadian Institute for International Affairs, the Atlantic Council of Canada, the Ontario Heritage Foundation, Historica, and the Churchill Society for the Advancement of Parliamentary Democracy (Canada). In addition, she is a Fellow of the Royal Society of Literature and a Senior Fellow of Massey College, University of Toronto.
She has honorary degrees from the University of King's College, the Royal Military College, and Ryerson University, Toronto. In 2006 Professor MacMillan was invested as an Officer of the Order of Canada.
Professor MacMillan has a long-standing relationship with St Antony's. She was a student at the College during the early 1970s, producing a doctoral thesis on the British in India. She returned as a Senior Associate Member in 1993 and was elected to an Honorary Fellowship in 2003.