Bermuda domiciled insurer and reinsurer Aspen Insurance Holdings has announced the appointment of Aileen Mathieson as Group Chief Investment Officer (CIO).
Mathieson brings over 15 years of investment and financial experience and joins from Aberdeen Standard Investments where she was Global Head of Insurance.
Prior to this, she was CIO, UK Life for Zurich, and previously held senior finance roles at Nucleus Financial Group plc, Standard Life Group, Diageo plc and EMI Music, having started her career at KPMG.
Taking up her new role effective November 15th, Mathieson will be based in London and join Aspen’s Group Executive Committee.
Her appointment follows the retirement of Bryan Astwood, who will continue as an Advisor to Group Executive Chairman and CEO, Mark Cloutier, and he remain as a director of Aspen Bermuda Limited.
“I am delighted that we are appointing an individual of Aileen’s calibre as our new Chief Investment Officer,” said Mark Cloutier, Executive Chairman and Group CEO at Aspen.
“During a time when we are seeing increased periods of heightened market volatility, it is important that we are managing our investment portfolio effectively and proactively to deliver positive investment returns, complementing our strategic focus on driving disciplined underwriting performance,” Cloutier continued.
“Aileen brings an impressive track record in managing investments in the insurance sector and, with her excellent leadership experience and strong communication skills, I look forward to her being an active and engaged member of our executive team.”
Mathieson also commented: “I’m excited to join Aspen; the opportunity to join a dynamic organization with strong momentum and a clear vision for its future was compelling. I look forward to working with Mark and his team to lead the investment function and to delivering positive returns for the Group while continuing to support the business’ ongoing balance sheet strength.”






