John (Jack) L. Sennott, Jr.

As Chairman, CEO and President, John (Jack) L. Sennott, Jr. oversees business operations for CapSpecialty and splits his time between the Hartford, CT and New York, NY offices. Prior to joining CapSpecialty in 2019, Jack was Senior Vice President and Chief Operating Officer of Alleghany Corporation and a longstanding member of the CapSpecialty Board. Bringing over 30 years’ experience to CapSpecialty, Jack has previously held positions as the Executive Vice President and Chief Corporate Strategy Officer of Allied World Assurance Company Holdings, AG from January 2010 to April 2012. Prior to that, from October 2008 to January 2010, Jack served as the Chief Operating Officer of Allied World Insurance Company, was the Chief Financial Officer and a member of the Board of Directors of Darwin Professional Underwriters, Inc. from March 2003 to October 2008.

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