Alaina Tennison is a Canadian executive leader in finance, operations, and people strategy at PwC Canada. She currently holds the title of COO and National Managing Partner, People & Partnership and is part of the company’s Canadian Leadership Team. Alaina manages the firm’s primary business functions, including assurance, consulting, deals, tax, and internal operations. She also directs company-wide talent strategy, employee experience, and inclusion initiatives. She has worked for PwC for over 25 years and has held several senior positions with focuses on regulatory affairs and public policy. Outside of her work with PwC, Alaina is involved in governance and civic leadership through the SickKids Foundation Campaign Cabinet and the Toronto Board of Trade, where she chairs the Finance and Audit Committee.
Publicly available professional records do not disclose detailed personal information about Alaina Tennison’s early upbringing or family background. Her education path, however, was primarily focused on business and accounting.
Alaina completed a Bachelor of Commerce (Honours) degree at McMaster University in Hamilton before entering the professional accounting industry.
Following her studies, she pursued the Chartered Accountant designation and later achieved the FCA and FCPA designation, reaching advanced status within the Canadian accounting profession. These credentials are evidence of years of professional training, examination, and progressive leadership experience in finance and assurance positions.
Alaina Tennison joined PwC Canada in 1996. Since then, she has built a long-term career within the company’s leadership structure. She worked roles focused on assurance, regulatory affairs, and executive finance, eventually advancing into national leadership positions.
She was previously the CFO of PwC, where her responsibilities included managing financial operations, business planning, and internal financial governance. In that role, she directed the firm through periods of transformation and strategic investment, improving financial systems and operational discipline within the organization.
Before becoming CFO, Alaina served as Assurance Leader in Toronto and Partner in regulatory affairs and public policy. She also represented PwC Canada on the global regulatory policy board, contributing to cross-border discussions on compliance, governance, and financial reporting standards.
As the current COO and National Managing Partner, People & Partnership, she is the head of PwC Canada’s internal strategy. She provides leadership oversight through all five lines of service while directing company-wide people strategy, including talent development, employee experience, and inclusion initiatives.
She still practices as an assurance partner and stays directly involved in client projects. She works with multinational corporations, financial services companies, and real estate entities. Her leadership method combines technical knowledge with a focus on organizational design and workforce capability.
Outside of PwC, Alaina supports civic and governance organizations. She is a member of the SickKids Foundation Campaign Cabinet and is a director of the Toronto Board of Trade, where she chairs the Finance and Audit Committee.

Alaina Tennison’s net worth is not publicly disclosed.
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