Bermuda-based Aspen Insurance Holdings Ltd yesterday said Mario Vitale will become its sole insurance CEO, taking a role that had previously been shared with Rupert Villers.Mr Villers, the co-CEO of Aspen Insurance will assume a new position from July 1 as chairman of Aspen Insurance and president of Aspen International Insurance.Mr Vitale, currently co-CEO of Aspen Insurance, will become CEO of Aspen Insurance globally and remain president of Aspen US Insurance.Mr Villers has agreed to extend his service with Aspen until the end of 2014. In his role as chairman of Aspen Insurance, he will advise and support the development and execution of the company’s business strategy.He will also serve as president of International Insurance, where he will support the development of strategy for the business and continue to be responsible for the day-to-day management of its underwriting teams.In his capacity as CEO of Aspen Insurance, Mr Vitale will develop, establish and execute the company’s business strategy and manage the day-to-day global business. He will also continue to serve as president of US Insurance, managing Aspen’s US underwriting teams and its US insurance operating platform.Commenting on the changes, Aspen CEO Chris O’Kane said: “Since early 2011, Aspen Insurance has had considerable success in realising its strategic objectives under the combined leadership of Rupert Villers and Mario Vitale. As a result of the changes, Aspen will continue to benefit from Rupert Villers’ expertise and has put in place a firm foundation for the future strategic leadership and direction of our Insurance business under Mario Vitale.”