Howe Institute in Montreal (1974–78) and as Vice Chair of Bennecon Ltd., Management Consultants (1982-1998).
In 1998 she became the founding Chair of the Canada Pension Plan Investment Board (CPPIB) where she served for 10 years.
In addition to her work in the private sector, she has served on several Crown, professional and not-for-profit boards.
While a member of the Board of the Bank of Canada, she chaired the Special Committee of the Board charged with appointing both its Governor and Senior Deputy Governor of the Bank of Canada.
She has chaired the General Services Sectoral Advisory Group to the Minister of International Trade and was a member of The Advisory Committee on Financing (providing advice to the Federal Minister of Finance) and served on the Canadian delegation to the Trilateral Commission.