Aspen US Insurance, part of the insurance segment of Aspen Insurance, has appointed Roxanne Mitchell, formerly of XL, as executive vice president (EVP) and chief casualty officer.
She will report to Bob Rheel, EVP and Head of US property casualty.
Mitchell has a 35 year industry career, with nearly 20 years at Lexington and most recently serving as the president of excess and surplus lines at XL.
Rheel said: "The specialty casualty market in the US is complex and requires deep expertise and creative solutions. Roxanne's extensive knowledge of the segment, coupled with the expertise inherent within our casualty team, means that we are strongly placed to understand and support the unique specialty needs of our clients."
Mario Vitale, chief executive officer of Aspen Insurance, added: "I am delighted to welcome Roxanne to the Aspen team. Roxanne's long-standing relationships within the brokerage community speak to her reputation in the market. Her appointment strengthens further our leadership team."