CEO and president, The Guardian Life Insurance Company of America
Deanna is president and chief executive officer of The Guardian Life Insurance Company of America (Guardian). She is a member of Guardian’s board of directors, a director and chair of RS Investment Management Co. LLC, and a director on the board of Arch Capital, a Bermuda-based re-insurer. Ms. Mulligan’s background is in both strategy consulting and operational management. She founded DMM Management Solutions, LLC, a life insurance consultancy, and was a principal at McKinsey and Company. In 2013, Fortune named her one of the “50 Most Powerful Women in Business;” in 2015, Crain’s New York Business recognized her as one of “The 50 Most Powerful Women in New York” for the third time since 2010. Ms. Mulligan graduated from the University of Nebraska with High Distinction and holds an MBA from the Stanford Graduate School of Business.