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Ms. Keller-Hobson's principal occupation is that of a corporate director. Prior to January 201 5, Ms. Keller-Hobson was a business lawyer with 35 years of experience in public and private M&A, corporate finance and corporate governance. She was a senior partner at Gowling Lafleur Henderson LLP and, prior to October 2011, at Bennett Jones LLP, both international law firms. Prior to October 2006, Ms. Keller-Hobson was a senior partner at Torys LLP, also an international law firm, where she practised law for 25 years including nine years as Managing Partner of its London, England office. She advised global businesses and boards of directors on significant transactions, critical business issues and risk management. Ms. Keller-Hobson is also a member of the board of directors of Premium Brands Holdings Corporation (TSX: PBH), which owns a broad range of leading specialty food manufacturing and differentiated food distribution businesses with operations in Canada and the United States, and a member of the board of directors of the Greater Toronto Airports Authority, which is authorized to operate airports in the south-central Ontario region, including Toronto Pearson International Airport. She obtained her Bachelor of Laws degree from the University of Ottawa in 1979. Ms. Keller-Hobson brings to the board extensive experience in global mergers and acquisitions, corporate finance, corporate governance and risk management.