What departments does White Mountains have?

White Mountains has employees across 9 departments including Engineering, Accounting, Finance, Sales, Legal.

What is the largest department at White Mountains?

The largest department at White Mountains is Administrative with 4 employees.

Where are White Mountains employees located globally?

White Mountains has employees across 1 continents and 1 countries including United States Of America.

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

White Mountains's team has decreased from approximately 42 to 29 employees based on available data.

White Mountains Employee Directory

InsuranceNew Hampshire, United States51-200 Employees

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 employees' phone numbers or email addresses

White Mountains Global Highlights

North America
65

United States Of America
65

White Mountains's Leadership

G. R.
Chief Executive Officer Director
Mobile Phone
Email
A. L.
Chief Technology Officer
Mobile Phone
Email
S. D. E.
Vice President And Audit Director
Mobile Phone
Email
E. J. G.
Vice President And Director Of Investment Accounting
Mobile Phone
Email
M. H.
Vice President And General Auditor
Mobile Phone
Email
K. I.
Vp Of Internal Audit
Mobile Phone
Email
T. I.
Vice President Sales
Mobile Phone
Email
C. L.
Vice President & Director Of Sec Reporting
Mobile Phone
Email

White Mountains Employee Metrics

100%

50%

0%

2026

2025

Accounting
Business
Administrative
Community & Social Services
Legal
Other
Information Technology

Contact profiles from White Mountains

Name

Title

Contact Info

Location

Last Update

S. D. E.
Vice President And Audit Director
Mobile Phone
Email
United StatesMassachusetts
Mar 30, 2026
E. J. G.
Vice President And Director Of Investment Accounting
Mobile Phone
Email
United StatesMassachusetts
Mar 30, 2026
K. C.
Svp
Mobile Phone
Email
United StatesNew York
Apr 16, 2026
J. O.
Managing Director, Head Of International Tax
Mobile Phone
Email
United StatesVirginia
Mar 30, 2026
A. B.
Vice President
Mobile Phone
Email
United StatesMinnesota
Apr 14, 2026
K. S.
Senior Vice President Finance
Mobile Phone
Email
United StatesConnecticut
Apr 14, 2026
M. H.
Vice President And General Auditor
Mobile Phone
Email
United StatesMassachusetts
Mar 30, 2026
K. I.
Vp Of Internal Audit
Mobile Phone
Email
United StatesMassachusetts
Apr 16, 2026
A. C.
Avp
Mobile Phone
Email
United StatesMassachusetts
Oct 16, 2024
T. I.
Vice President Sales
Mobile Phone
Email
United StatesNew Jersey
Oct 23, 2024

Frequently Asked Questions

What is White Mountains known for?

White Mountains was founded in 1985 operates in the Insurance industry. The company's main headquarters is located in 80 South Main Street Hanover, New Hampshire 03755 United States; you can contact the main corporate office by phone at

+1-860-218-****

. Explore White Mountains's company overview page for more information.

What is White Mountains's most common email format?

White Mountains employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more White Mountains email formats with LeadIQ.

How many employees does White Mountains have currently?

White Mountains has approximately 52 employees as of April 2026. These team members are located across 1 continents, including North America.

Who are White Mountains's key employees and leadership?

As of April 2026, White Mountains's key employees include:

Chief Executive Officer Director: G. R.
Chief Technology Officer: A. L.
Vice President And Audit Director: S. D. E.
Vice President And Director Of Investment Accounting: E. J. G.
Vice President And General Auditor: M. H.

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