Anthony R. O’Donnell // January 9, 2026 
(Matthew Stitham, CUO, Casualty in the Americas, AXA XL. Source: AXA XL.)
AXA XL (Stamford, Conn.) has promoted Matthew Stitham to chief underwriting officer, Casualty in the Americas. He reports to Donna Nadeau, head of Large Commercial business. Stitham is based in San Francisco.
He succeeds Donnacha Smyth, who transitioned in November to the role of global CUO, Casualty.
Donna Nadeau, Chief Underwriting Officer, Americas, AXA XL.
Most recently, Stitham served as head of West Excess and head of Excess Casualty. He joined AXA