What departments does White Mountains Insurance Group have?

White Mountains Insurance Group has employees across 3 departments including Legal, Accounting, Administrative.

What is the largest department at White Mountains Insurance Group?

The largest department at White Mountains Insurance Group is Legal with 1 employees.

Where are White Mountains Insurance Group employees located globally?

White Mountains Insurance Group has employees across 3 continents and 3 countries including United Kingdom Of Great Britain And Northern Ireland, United States Of America, Bermuda.

How has White Mountains Insurance Group's team size changed over time?

White Mountains Insurance Group's team has decreased from approximately 16 to 14 employees based on available data.

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.

White Mountains Insurance Group Global Highlights

North America
32

United States Of America
32

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

White Mountains Insurance Group's Leadership

L. B.
Vp And Cao/Controller
Mobile Phone
Email
G. R.
Vice President
Mobile Phone
Email
R. J.
Senior Vice President, Equities/Alternative Investments
Mobile Phone
Email
R. S.
Executive Vice President And General Counsel
Mobile Phone
Email
N. P. A.
Director
Mobile Phone
Email
M. D.
Director
Mobile Phone
Email
R. C.
Managing Director
Mobile Phone
Email
S. L.
Director Of Accounting Policy
Mobile Phone
Email

White Mountains Insurance Group Employee Metrics

100%

50%

0%

2026

2025

Business
Entrepreneurship
Accounting
Administrative
Information Technology
Other

Contact profiles from White Mountains Insurance Group

Name

Title

Contact Info

Location

Last Update

L. B.
Vp And Cao/Controller
Mobile Phone
Email
Bermuda
Jul 08, 2026
G. R.
Vice President
Mobile Phone
Email
Jul 17, 2025
R. J.
Senior Vice President, Equities/Alternative Investments
Mobile Phone
Email
Jul 26, 2024
R. S.
Executive Vice President And General Counsel
Mobile Phone
Email
Oct 17, 2024
N. P. A.
Director
Mobile Phone
Email
United KingdomEngland
Jun 25, 2026
M. D.
Director
Mobile Phone
Email
Dec 30, 2023
R. C.
Managing Director
Mobile Phone
Email
Aug 27, 2023
S. L.
Director Of Accounting Policy
Mobile Phone
Email
Jul 13, 2023
J. C.
Manager
Mobile Phone
Email
Jul 12, 2023
G. S.
Executive Assistant
Mobile Phone
Email
Oct 23, 2024

Frequently Asked Questions

What is White Mountains Insurance Group known for?

White Mountains Insurance Group was founded in 1985 operates in the Insurance industry; you can contact the 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?

White Mountains Insurance Group employees' email format typically follows the pattern of . 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?

White Mountains Insurance Group has approximately 15 employees as of July 2026. These team members are located across 2 continents, including North AmericaEurope.

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

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

Vp And Cao/Controller: L. B.
Vice President: G. R.
Senior Vice President, Equities/Alternative Investments: R. J.
Executive Vice President And General Counsel: R. S.
Director: N. P. A.

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White Mountains Insurance Group Employee Directory

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