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Helen Leis, a confident executive, leading a diverse team through a complex organizational chart, symbolizing strategic leadership and change management in a global consulting firm.

Oliver Wyman Appoints Helen Leis Global Head of Leadership and Change

Oliver Wyman has appointed Helen Leis to the newly created role of global head of leadership and change. This strategic move emphasizes the firm's commitment to guiding clients through complex organizational transformations.

Alina Petrov·March 31, 2026