Home > About Guardian > Overview > Executive Leadership Team > Deanna M. Mulligan

Deanna M. Mulligan


All four of the major rating agencies affirmed Guardian's ratings in 2014.
>> Read more


Our policyholders are more than customers – they are owners.
>> Read more

Corporate Citizenship

See how Guardian is giving back to the communities in which we live and work.

>> Read more

Deanna M. Mulligan
President and Chief Executive Officer
The Guardian Life Insurance Company of America

Deanna M. Mulligan is President and Chief Executive Officer of The Guardian Life Insurance Company of America (Guardian).  She also is a member of Guardian’s Board of Directors and a Director and Chairman of RS Investment Management Co. LLC.

Ms. Mulligan was named Chief Executive Officer in July 2011 and previously served as President and Chief Operating Officer since 2010. She joined Guardian in 2008 as Executive Vice President in charge of the company's Individual Life & Disability business. In this role, she was responsible for developing and leading Guardian’s product and business strategy to drive the company's continued growth in these markets.

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. While at McKinsey she also served as co-leader of the North American Life Insurance Practice and was a member of the firm’s Organizational Performance Practice. Ms. Mulligan has held senior positions at AXA Financial, New York Life Insurance Company, and ChannelPoint, a technology enterprise, throughout her career.

Active across the industry and in the community, she currently serves as a Director on the Boards of the American Council of Life Insurers (ACLI) and Arch Capital Group Ltd., a Bermuda public limited liability company. She is also a Board member of the Partnership for New York City and Committee Encouraging Corporate Philanthropy (CECP). In March 2014, she was appointed a member of the President’s Advisory Council on Financial Capability for Young Americans.

In 2013, FORTUNE named her one of the “50 Most Powerful Women in Business” and Crain’s New York Business recognized her as one of “The 50 Most Powerful Women in New York.”

She graduated from the University of Nebraska with High Distinction and holds an MBA from the Stanford Graduate School of Business.