NU Online News Service, June 25, 3:57 p.m.EDT

Aspen Insurance Holdings Ltd. says it redefined the co-CEO rolesof Aspen Insurance.

Mario Vitale will become the sole chief executive officer ofAspen Insurance globally.

Rupert Villers, who shared the CEO slot at Aspen Insurance withVitale, will extend his service with Aspen and take a new positionas chairman of Aspen Insurance and President of Aspen InternationalInsurance.

Vital remains president of E&S/specialty insurer Aspen U.S.Insurance, the holding company says in a statement.

Vitale joined Aspen Insurance in March 2011 from Zurich FinancialServices, where he was CEO, global corporate. He was promoted to co-CEO of Aspen Insurance in October 2011 andassumed the role when then co-CEO John Cavoores stepped down at thestart of this year.

Cavoores remains a director—a position he has held since2006.

Vitale's new role will have him managing the day-to-day businessof Aspen Insurance globally and managing the underwriting teams atAspen Insurance in the U.S.

Villers will support strategic development at AspenInternational and be responsible for managing the segmentsunderwriters.

Chris O'Kane, CEO of Aspen Insurance Holdings, says Aspen “willcontinue to benefit from Rupert Viller's expertise and [thecompany] has put in place a firm foundation for the futurestrategic leadership and direction of our insurance business underMario Vitale.”