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G. Manning Rountree

G. Manning Rountree

Chief Executive Officer

Manning joined White Mountains in 2004, and prior to becoming CEO, served as President of White Mountains Advisors and White Mountains Capital. Prior to White Mountains, Manning worked with Putnam Investments and McKinsey & Company. Manning is an alumnus of Wake Forest University and Northwestern University’s Kellogg School of Management and Pritzker School of Law.

White Mountains Insurance Group, Ltd.
  • 26 Reid Street, Suite 601
    Hamilton HM 11, Bermuda

    441-278-3160

  • 23 South Main Street, Suite 3B
    Hanover, New Hampshire 03755

    603-640-2200

  • 265 Franklin Street, Suite
    901 Boston, Massachusetts 02110

    617-725-7122

  • 200 Hubbard Road
    Guilford, Connecticut 06437

    203-458-5823

[email protected]

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