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White Mountains Insurance Group Employee Directory

InsuranceHamilton Parish, Bermuda11-50 Employees

White Mountains Insurance Group is a diversified holding company operating in the insurance and related financial services sectors, owning and managing a portfolio of businesses. It positions itself as a dependable partner for its portfolio companies and shareholders, aiming to create value through prudent, opportunistic management. The company is domiciled in Hamilton Parish, Bermuda, with executive headquarters in Hanover, New Hampshire, and maintains offices in Boston and Guilford, Connecticut.

It trades on the New York Stock Exchange under the ticker WTM. Manning Rountree retired as chief executive officer at the end of 2025, and Liam Caffrey is slated to assume the role on January 1, 2026.

Find White Mountains Insurance Group employees' phone numbers or email addresses

White Mountains Insurance Group Global Highlights

Location
Employees

North America
34

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  • United States Of America
    34

Europe
1

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  • United Kingdom Of Great Britain And Northern Ireland
    1

White Mountains Insurance Group's Leadership

  • Vice President And Cao / Controller at White Mountains Insurance Group
    L. B.
    Vice President And Cao / Controller
    Mobile Phone
  • Managing Director at White Mountains Insurance Group
    R. C.
    Managing Director
    Mobile Phone
  • Vice President at White Mountains Insurance Group
    G. R.
    Vice President
    Mobile Phone
  • Senior Vice President, Equities/Alternative Investments at White Mountains Insurance Group
    R. J.
    Senior Vice President, Equities/Alternative Investments
    Mobile Phone
  • Director at White Mountains Insurance Group
    N. P. A.
    Director
    Mobile Phone
  • Director at White Mountains Insurance Group
    M. D.
    Director
    Mobile Phone
  • Director Of Accounting Policy at White Mountains Insurance Group
    S. L.
    Director Of Accounting Policy
    Mobile Phone
  • Manager at White Mountains Insurance Group
    J. C.
    Manager
    Mobile Phone

White Mountains Insurance Group Employee Metrics

100%
50%
0%
2026
2025
  • Business
  • Entrepreneurship
  • Accounting
  • Administrative
  • Information Technology
  • Other
  • Sales

Contact profiles from White Mountains Insurance Group

Name
Title
Contact
Location
Last Update
  • Managing Director at White Mountains Insurance Group
    R. C.
    Managing Director
    Mobile Phone
    Aug 27, 2023
  • Vice President And Cao / Controller at White Mountains Insurance Group
    L. B.
    Vice President And Cao / Controller
    Mobile Phone
    Bermuda
    Aug 06, 2026
  • Vice President at White Mountains Insurance Group
    G. R.
    Vice President
    Mobile Phone
    Jul 17, 2025
  • Senior Vice President, Equities/Alternative Investments at White Mountains Insurance Group
    R. J.
    Senior Vice President, Equities/Alternative Investments
    Mobile Phone
    Jul 26, 2024
  • Director at White Mountains Insurance Group
    N. P. A.
    Director
    Mobile Phone
    United Kingdom, England
    Sep 06, 2026
  • Director at White Mountains Insurance Group
    M. D.
    Director
    Mobile Phone
    Dec 30, 2023
  • Director Of Accounting Policy at White Mountains Insurance Group
    S. L.
    Director Of Accounting Policy
    Mobile Phone
    Jul 13, 2023
  • Manager at White Mountains Insurance Group
    J. C.
    Manager
    Mobile Phone
    Jul 12, 2023
  • Executive Assistant at White Mountains Insurance Group
    G. S.
    Executive Assistant
    Mobile Phone
    Oct 23, 2024
  • Employee at White Mountains Insurance Group
    S. C.
    Mobile Phone
    Jul 12, 2023

Frequently Asked Questions

What is White Mountains Insurance Group known for?

Minus sign iconPlus sign iconWhite Mountains Insurance Group was founded in 1985 and operates in the Insurance industry. You can contact White Mountains Insurance Group's main corporate office by phone at
+1-603-640-****
. Explore White Mountains Insurance Group's company overview page for more information.

What is White Mountains Insurance Group's most common email format?

Minus sign iconPlus sign iconWhite Mountains Insurance Group employees' email format typically follows the pattern of FLast@whitemountains.com. Trying to find reliable and up-to-date employee contact data? Find more White Mountains Insurance Group email formats with LeadIQ.

How many employees does White Mountains Insurance Group have currently?

Minus sign iconPlus sign iconWhite Mountains Insurance Group has approximately 15 employees as of August 2026. These team members are located across 2 continents, including North America and Europe.

Who are White Mountains Insurance Group's key employees and leadership?

Minus sign iconPlus sign icon

As of August 2026, White Mountains Insurance Group's key employees include:

  • Vice President And Cao / Controller: L. B.
  • Managing Director: R. C.
  • Vice President: G. R.
  • Senior Vice President, Equities/Alternative Investments: R. J.
  • Director: N. P. A.

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