Deanna Mulligan

Board Member

Ms. Mulligan served as CEO of The Guardian Life Insurance Company of America, a mutual life insurance company (Guardian), from 2011 to October 2020. She served as a member of Guardian's Board of Directors from 2011 to 2020, serving as Board Chair for the last quarter of 2020 until her retirement. Prior to joining Guardian in 2008, Ms. Mulligan f...


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Roles at DuPont

  • Board Member

    April, 2021 - present

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