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Louisa Greco


Advises clients on the development and implementation of large-scale transformation programs for substantial performance and health improvement

Louisa is a leader in McKinsey's Transformation Practice. She joined McKinsey with more than 15 years of senior leadership experience, having previously led the transformation and growth of multiple businesses in healthcare and consumer products. Louisa has demonstrated resilience as a leader working in highly regulated environments. She specializes in commercial improvement, innovation, and organizational effectiveness.

Louisa is actively involved in the broader professional and public community, serving as co-chair of 30% Club Canada and as an academic mentor for the Rotman School of Management MBA program at the University of Toronto. She serves in an advisory capacity on an expert panel of the Council of Canadian Academies and has served as a board member and board chair for two Canadian-based companies in consumer goods and health technology. Louisa is also a licensed member of the Ontario College of Pharmacists.

Published work

Defining your ‘true north’: A road map to successful transformation,” McKinsey & Company, May 2024

Courageous growth: Six strategies for continuous growth outperformance,” McKinsey & Company, October 2023

Ready, set, go, and keep going: Why speed is key to a successful transformation,” McKinsey & Company, April 2023

Past experience

Johnson & Johnson Consumer Companies
President and managing director
Vice president, immunology
Vice president, marketing and sales


Ivey Business School, Western University

Leslie Dan Faculty of Pharmacy, University of Toronto
BS, pharmacy