![Mike Miller](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mike Miller
Chief Executive Officer at
OneBeacon Insurance Co.
Net worth: 18 M $ as of 2026-07-30
Profile
Michael Miller is currently Chief Executive Officer at Intact U.S.
Holdings, Inc., President & Chief Executive Officer at OneBeacon Insurance Co., President & Chief Executive Officer at OneBeacon Insurance Group LLC since 2005, and Chief Executive Officer at OneBeacon U.S.
Financial Services, Inc. Former roles include President, Chief Executive Officer & Director at Intact Insurance Group USA Holdings, Inc. from 2011 to 2017, Chief Executive Officer at Stagecoach Theatre Arts Ltd., Chairman at American Insurance Association, Inc., Chairman at Insurance Information Institute, Chairman at Onebeacon Insurance Co. (Investment Portfolio) in 2025, Director at The Science Museum of Minnesota, Director at United Way of Massachusetts Bay, Inc., Director at Insurance Federation of Minnesota, Co-Chief Operating Officer at The Travelers Insurance Co. in 2005, and Chief Operating Officer at GeoVera Holdings, Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
Intact Financial Corp.
 Intact Financial Corp. Specialty InsuranceFinance Provides insurance, banking and asset management services 0.05% | 2025-06-11 | 89,056 ( 0.05% ) | 18 M $ | 2026-07-30 |
Mike Miller active positions
| Companies | Position | Start |
|---|---|---|
OneBeacon Insurance Co.
 OneBeacon Insurance Co. Property/Casualty InsuranceFinance Provides property, casualty and specialty insurance services | Chief Executive Officer | - |
Intact U.S. Holdings, Inc.
 Intact U.S. Holdings, Inc. MiscellaneousMiscellaneous Operates as a holding company | Chief Executive Officer | - |
OneBeacon Insurance Group LLC
 OneBeacon Insurance Group LLC Property/Casualty InsuranceFinance Provides property and caulaty insurance services | Chief Executive Officer | 2005-03-31 |
OneBeacon U.S. Financial Services, Inc.
 OneBeacon U.S. Financial Services, Inc. Financial ConglomeratesFinance Provides financial services | Chief Executive Officer | - |
Former positions of Mike Miller
| Companies | Position | End |
|---|---|---|
Onebeacon Insurance Co. (Investment Portfolio)
 Onebeacon Insurance Co. (Investment Portfolio) Investment ManagersFinance Profile Unavailable. | Chief Executive Officer | 2025-02-28 |
United Way of Massachusetts Bay, Inc.
 United Way of Massachusetts Bay, Inc. Services to the Health IndustryHealth Services Provides community social services | Director/Board Member | - |
Insurance Federation of Minnesota
 Insurance Federation of Minnesota Miscellaneous Commercial ServicesCommercial Services Operates as insurance trade associations | Director/Board Member | - |
American Insurance Association, Inc.
 American Insurance Association, Inc. Insurance Brokers/ServicesFinance Provides law making for state and federal insurance industry | Chairman | - |
The Science Museum of Minnesota
 The Science Museum of Minnesota Other Consumer ServicesConsumer Services Provides research and collection facilities | Director/Board Member | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
9
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
The Travelers Insurance Co.
 The Travelers Insurance Co. Life/Health InsuranceFinance Provides individual annuities, life insurance and institutional protection | Finance |
Intact U.S. Holdings, Inc.
Intact U.S. Holdings, Inc. MiscellaneousMiscellaneous Operates as a holding company | Miscellaneous |
Intact Insurance Group USA Holdings, Inc.
 Intact Insurance Group USA Holdings, Inc. Insurance Brokers/ServicesFinance Provides insurance services | Finance |
Stagecoach Theatre Arts Ltd.
 Stagecoach Theatre Arts Ltd. Miscellaneous Commercial ServicesCommercial Services Operates a franchise network of part-time performing arts and sports schools | Commercial Services |
OneBeacon Insurance Co.
OneBeacon Insurance Co. Property/Casualty InsuranceFinance Provides property, casualty and specialty insurance services | Finance |
American Insurance Association, Inc.
American Insurance Association, Inc. Insurance Brokers/ServicesFinance Provides law making for state and federal insurance industry | Finance |
GeoVera Holdings, Inc.
 GeoVera Holdings, Inc. Property/Casualty InsuranceFinance Provides residential property insurance products | Finance |
Insurance Information Institute
 Insurance Information Institute Miscellaneous Commercial ServicesCommercial Services Operates as a educational and communications organization for the property-casualty insurance industry | Commercial Services |
The Science Museum of Minnesota
The Science Museum of Minnesota Other Consumer ServicesConsumer Services Provides research and collection facilities | Consumer Services |
OneBeacon Insurance Group LLC
OneBeacon Insurance Group LLC Property/Casualty InsuranceFinance Provides property and caulaty insurance services | Finance |
Onebeacon Insurance Co. (Investment Portfolio)
Onebeacon Insurance Co. (Investment Portfolio) Investment ManagersFinance Profile Unavailable. | Finance |
United Way of Massachusetts Bay, Inc.
United Way of Massachusetts Bay, Inc. Services to the Health IndustryHealth Services Provides community social services | Health Services |
OneBeacon U.S. Financial Services, Inc.
OneBeacon U.S. Financial Services, Inc. Financial ConglomeratesFinance Provides financial services | Finance |
Insurance Federation of Minnesota
Insurance Federation of Minnesota Miscellaneous Commercial ServicesCommercial Services Operates as insurance trade associations | Commercial Services |
- Stock Market
- Insiders
- Mike Miller
