Press releases

Deloitte Canada and McInnes Cooper welcome former cabinet minister the Hon. Peter MacKay, P.C., Q.C.

Toronto, December 15, 2020 – Deloitte and McInnes Cooper are pleased to announce the Honourable Peter MacKay has recently joined both firms as a strategic advisor.

At Deloitte Canada, Mr. MacKay will provide strategic advice on projects related to the firm’s leading Government & Public Services Industry practice. He will focus on defense modernization, justice reform, infrastructure and economic development. Mr. MacKay will leverage his extensive public sector and legal experience to deliver executive advisory support, serving Deloitte’s clients in the public and private sectors.

“Peter joins Deloitte Canada with tremendous leadership experience as a former senior cabinet minister in the country’s federal government. While at the helm of critical government portfolios, he confronted issues of national importance with pragmatism and resourcefulness—working diligently and passionately to strengthen the country for all Canadians,” said Anthony Viel, Chief Executive Officer, Deloitte Canada. “He will continue to be a champion of our country’s future as a thriving nation and we’re pleased to welcome him to the firm.”

In his role with McInnes Cooper, one of Atlantic Canada’s most prestigious law firms, Mr. MacKay will provide counsel to the firm’s clients related to his broad areas of expertise. In doing so, MacKay will collaborate with McInnes Cooper professionals to bring strategic value to business and public sector leaders within and outside of Atlantic Canada.

“Peter’s wealth of professional experience and public service, combined with his Atlantic Canadian roots and national and international background, provide McInnes Cooper with invaluable opportunities to support and partner with our clients in new and meaningful ways,” said Managing Partner, Kevin Kiley.

“I’m thrilled by the opportunity to collaborate with two such diverse, well-regarded and talent-rich firms,” said Mr. MacKay, strategic advisor, Deloitte Canada and McInnes Cooper. “I look forward to applying my experience and expertise and collaborating with both teams to achieve successful results and to working on national files, while also helping Atlantic Canadian organizations and businesses thrive.”

Peter served in the Parliament of Canada for over 18 years as a cabinet minister in high-profile portfolios, including Justice and Attorney General, Department of National Defense, Foreign Affairs and the Atlantic Canada Opportunities Agency. He chaired the Government National security committee for almost 10 years.

He started his legal career in Nova Scotia as a Crown Prosecutor (Criminal Law Division) and worked as a general practitioner before entering politics. Peter earned a B.A. from Acadia University in 1987, and his LL.B. from Dalhousie University in 1990. He is entering his 30th year as a member of the Nova Scotia Barristers society and is also called to the bar in Ontario.

About Deloitte
Deloitte provides audit and assurance, consulting, financial advisory, risk advisory, tax, and related services to public and private clients spanning multiple industries. Deloitte serves four out of five Fortune Global 500® companies through a globally connected network of member firms in more than 150 countries and territories bringing world-class capabilities, insights, and service to address clients’ most complex business challenges. Deloitte LLP, an Ontario limited liability partnership, is the Canadian member firm of Deloitte Touche Tohmatsu Limited. Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee, and its network of member firms, each of which is a legally separate and independent entity. Please see for a detailed description of the legal structure of Deloitte Touche Tohmatsu Limited and its member firms.

Our global Purpose is making an impact that matters. At Deloitte Canada, that translates into building a better future by accelerating and expanding access to knowledge. We believe we can achieve this Purpose by living our shared values to lead the way, serve with integrity, take care of each other, foster inclusion, and collaborate for measurable impact.

To learn more about Deloitte’s approximately 312,000 professionals, over 12,000 of whom are part of the Canadian firm, please connect with us on LinkedIn, Twitter, Instagram, or Facebook.

About McInnes Cooper
McInnes Cooper is among the 25 largest business law firms in Canada and a member of Lex Mundi, the world’s leading network of independent law firms. It serves clients across North America and abroad from six offices in Halifax, St. John’s, Fredericton, Moncton, Saint John, and Charlottetown. With nearly 200 lawyers and over 200 professional resources, McInnes Cooper provides services to industry-leading clients in every major business sector and with experience in all jurisdictions.

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