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Deanna M. Mulligan

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Adapted from the English Wikipedia article Deanna M. Mulligan, available under CC BY-SA 4.0Updated 9 August 2025
Deanna M. Mulligan
Born1963
OccupationBusiness executive
Known forPresident and CEO of The Guardian Life Insurance Company of America

Deanna M. Mulligan (born 1963) held the position of president and chief executive officer at The Guardian Life Insurance Company of America, a Fortune 300 enterprise and among the largest mutual life insurers in the United States.

Biography

Mulligan obtained a Bachelor of Science degree in Business Administration from the University of Nebraska–Lincoln and later completed her Master of Business Administration at the Stanford Graduate School of Business. Prior to her tenure at Guardian, she managed her own insurance consulting business.

In 2008, Mulligan became part of Guardian as Executive Vice President responsible for Individual Life and Disability, where she led expansion efforts within that division and managed Berkshire Life Insurance Company. She served as CEO from July 2011 until October 2020 and joined the company's board of directors in 2013.

She was honored with the Israel Bonds Neil Levin Memorial Award in 2012 in recognition of her professional contributions supporting Israel. Additionally, in 2014, the White House selected her to serve on the President's Advisory Council on Financial Capability for Young Americans.