White Mountains Insurance Group Employee Directory

White Mountains (NYSE: WTM) is a diversified insurance and related financial services holding company that owns and manages businesses seeking a stable, sophisticated partner to drive value creation. Grounded in the core principles of our visionary founder Jack Byrne, we have been careful, opportunistic and successful stewards of our shareholders’ capital for more than three decades.

We are most proud and protective of our reputation as a good partner – to our shareholders, to other stakeholders in our businesses and to the talented management teams who run them. In the end, doing right by your partners is what guarantees the next deal and the deal after that.

We are domiciled in Hamilton Bermuda, with executive headquarters in Hanover, New Hampshire, and offices in Boston, and Guilford, Connecticut.  For information about career opportunities at White Mountains, please contact careers@whitemountains.com

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

White Mountains Insurance Group Global Highlights

North America
38

United States Of America
38

White Mountains Insurance Group's Leadership

G. H.
Chief Strategy Officer / Evp
Mobile Phone
Email
L. C.
President & Chief Financial Officer
Mobile Phone
Email
W. H.
Chairman Of The Board
Mobile Phone
Email
M. H.
Managing Director And Chief Accounting Officer
Mobile Phone
Email
W. G.
Cfo Life Re
Mobile Phone
Email
R. S.
Evp And General Counsel
Mobile Phone
Email
G. R.
Vice President
Mobile Phone
Email
R. J.
Senior Vice President, Equities/Alternative Investments
Mobile Phone
Email

Contact profiles from White Mountains Insurance Group

Name

Title

Contact Info

Location

Last Update

D. T.
Board Member
Mobile Phone
Email
United StatesNew York
Oct 27, 2025
D. G.
Pilot
Mobile Phone
Email
UNITED STATES
Aug 04, 2023
G. S.
Executive Assistant
Mobile Phone
Email
Oct 23, 2024
P. G.
Member Board Of Directors
Mobile Phone
Email
United StatesNew York
Oct 27, 2025
A. L.
Mobile Phone
Email
UNITED STATES
Apr 18, 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. The company's main headquarters is located in 26 Reid Street, Hamilton, Bermuda HM 11, BM; 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 51 employees as of October 2025. These team members are located across 1 continents, including North America.

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

As of October 2025, White Mountains Insurance Group's key employees include:

Chief Strategy Officer / Evp: G. H.
President & Chief Financial Officer: L. C.
Chairman Of The Board: W. H.
Managing Director And Chief Accounting Officer: M. H.
Cfo Life Re: W. G.

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