Deanna Mulligan

Former CEO of The Guardian Life Insurance Company of America

Deanna Mulligan is CEO of Purposeful, an advisory practice that builds upon the experience she has gained as former CEO and Chairman of Guardian Life Insurance Company of America, Board Director of Vanguard and DuPont, and former Board Director of ARCH Capital. She currently serves as an Advisor to Guild Education and several other private equity-funded start-ups.

"5-Time member of Fortune's Most Powerful Women list"

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  • Strategy Consulting
  • Operational Management
  • Start-ups
  • Future of Workforce
  • Technological Disruptions


She presents in English.

How she presents

Drawing on her own experiences and historical examples, Deanna details how business leaders can prepare for and respond to technological disruption, providing a framework for concrete and meaningful action.

Books & Media

  • Hire Purpose: How Smart Companies Can Close the Skills Gap

In Detail

Deanna joined Guardian in 2008 as the Executive Vice President, Individual Life and Disability. She currently serves as a Director of The Vanguard Group, Inc., Trustee of the Vanguard Funds, Trustee of the Economic Club of New York, Trustee of New York Presbyterian Hospital, Director of Chief Executives for Corporate Purpose, Director of Partnership for New York City and Trustee of the Bruce Museum. Prior to joining Guardian in 2008, Deanne founded DMM Management Solutions LLC. Previously, she held several other management positions at McKinsey & Company, AXA Financial, Inc. and New York Life Insurance Company.


Deanna is passionate about implementing private sector solutions to the larger problems of society, specifically in the areas of employment and reskilling, healthcare delivery, and secure retirement.



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