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New York - January 8, 2026

¾ÅÉ«ÊÓƵhas promoted Matthew Stitham to Chief Underwriting Officer, Casualty in the Americas.  Based in San Francisco, Mr. Stitham reports to Donna Nadeau, AXA XL’s Head of Large Commercial business. 

Commenting on the appointment, Ms. Nadeau said, “Matt’s extensive experience, strategic vision, and deep understanding of the casualty market is a tremendous asset for our clients and our organization as he assumes his new role. Under his guidance, we are confident that our casualty underwriting capabilities will continue to grow as we serve our clients as a trusted partner. In today’s uncertain environment -- marked by rising claim severities, social inflation, and emerging liability risks -- having seasoned professionals like Matt is crucial. His expertise helps our clients safeguard against catastrophic claims, stay compliant with evolving policy requirements, and proactively manage risks across various casualty lines --from auto to employment practices -- supporting their financial stability and maintaining stakeholder trust in uncertain times.”

Mr. Stitham assumes the regional underwriting management responsibilities previously held by Donnacha Smyth, who transitioned in November to Global Chief Underwriting Officer, Casualty, overseeing casualty underwriting operations worldwide. Most recently, Mr. Stitham served as Head of West Excess and Head of Excess Casualty. He joined ¾ÅÉ«ÊÓƵin 2007, after starting his underwriting career at Zurich and Travelers. With over 18 years at ¾ÅÉ«ÊÓƵ he has demonstrated strong leadership and expertise in casualty underwriting, playing a pivotal role in AXA XL’s continued growth and success in the casualty market.

¾ÅÉ«ÊÓƵoffers Primary and Excess Casualty coverages, including General Liability, Commercial Auto, Worker’s Compensation and Commercial Umbrella, for both domestic and international operations, across most industries and regions.

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ABOUT AXA XL

¾ÅÉ«ÊÓƵprovides insurance and risk management products and services for mid-sized companies through to large multinationals, and reinsurance solutions to insurance companies globally. We partner with those who move the world forward. To learn more, visit

ABOUT ¾ÅÉ«ÊÓƵINSURANCE

¾ÅÉ«ÊÓƵÓÈÎïÊÓƵoffers property, casualty, professional, financial lines and specialty insurance solutions to mid-sized companies through to large multinationals globally. We partner with those who move the world forward. To learn more, visit