Marylee O’Neill

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Marylee O’ Neill is President and Managing Director of Intersect International Ltd. She works with CEOs and their Boards to meet the challenges and risks of major change while accelerating organizational performance to deliver results. Marylee helps CEOs and Board Chairs increase their leadership and organizational impact and the overall organization’s effective governance. Since its’ inception, the Intersect International Group, based in New York, Toronto and Bermuda, works with many Boards and CEOs, along with their management teams, around the world.

Previously Marylee was a senior partner at Oliver Wyman, a member of Marsh McLennan (MMC) Group of Companies and Johnson Smith International.  She has also held several senior leadership positions in operations, and public affairs in both the private sector and the Government of Ontario. Marylee completed her undergraduate degree at York University and her postgraduate degree at the University of Toronto.

Committed to community-building, especially young adult mental health, Marylee’s past voluntary board work has included: Board Director and Chair, Governance Committee of the Board, The Shaw Festival, Co-founder and Board Director, Stella’s Place, Toronto (comprehensive, innovative mental health services for young adults) and Board Director, Providence Healthcare. A mother of two adult sons, Marylee made Niagara on the lake and the Niagara Region her home a decade ago.

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