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Meet The Team

Mike MillerMike Miller

Mike Miller is President of Intact Financial Corporation’s North American specialty insurance business, including OneBeacon Insurance Group, its U.S-based specialty insurance company, and Intact Specialty Solutions, which focuses on the Canadian market. He assumed this role upon Intact’s acquisition of OneBeacon in September 2017. He previously served as OneBeacon’s President and CEO since 2005. Prior to joining OneBeacon, Mike spent 10 years at St. Paul Travelers, most recently as Co-Chief Operating Officer. Prior to joining St. Paul Travelers, he spent 14 years with The Chubb Corporation..

Mike is also actively involved in several insurance industry and local community organizations. He is a past Chairman of both the American Insurance Association Board of Directors and the Insurance Information Institute Board of Directors, and a member of the P&C CEO Roundtable. Mike is also a past director of the Insurance Federation of Minnesota and the Science Museum of Minnesota, as well as the United Way of Massachusetts.


Paul BrehmPaul Brehm

Paul became Executive Vice President of OneBeacon Services in February 2013, and has served as Chief Risk Officer of OneBeacon since March 2010. He joined OneBeacon in 2008 as the Chief Actuary for the Specialty Insurance operations. Prior to joining OneBeacon, Paul was a Managing Director at Guy Carpenter from 2005 to 2008. Prior to Guy Carpenter, he worked at St. Paul Travelers for 22 years.


Dennis CrosbyDennis Crosby

Dennis became Executive Vice President in November 2010 and Vice President in July 2010. Dennis previously served as President and CEO of ACE Westchester and Chairman of ACE Commercial Risk Services. Prior to his 6 years at ACE, he spent 23 years with St. Paul Travelers in a variety of senior roles including commercial middle market, insurance operations and public sector services.

Phone iconContacts:

Media Contacts

Carmen Duarte
781.332.7268
cduarte@onebeacon.com

Sasha Aronson
781.332.7165
saronson@onebeacon.com

Nancy Hemmerich
860.321.2801
nhemmerich@onebeacon.com