Aspen Appoints William Miller As Group Chief Actuarial Officer

May 26, 2021

HAMILTON, Bermuda, May 26 2021 – Aspen Insurance Holdings Limited (“Aspen”), is pleased to announce the appointment of William (Bill) Miller as its new Group Chief Actuarial Officer, effective July 1 2021, subject to immigration approval.  

Bill joins from KPMG in Bermuda where he is Managing Director, Actuarial, responsible for advising some of the leading international (re)insurers.  Prior to joining KPMG in 2014, Bill spent 12 years at Chubb legacy ACE, where he was latterly Chief Actuary for its Risk Management & Foreign Casualty divisions. Bill’s actuarial career spans 35 years within the non-life sector and also includes roles at Travelers, NCCI, Reliance National and at Willis Towers Watson working as a senior consultant actuary.  

Bill’s arrival marks the rebuilding of Aspen’s actuarial function as part of the group’s operational, strategic and cultural transformation that continues to gather momentum. Bill will report into Executive Chairman and Group Chief Executive Officer Mark Cloutier and will be responsible for overseeing Aspen’s core actuarial services. 

Bill will be based in Aspen’s Bermuda offices and will replace current Executive Vice President and Group Chief Actuary Andrew (Andy) Kudera, who has departed Aspen to pursue other opportunities.  

Bill commented: “It is tremendously exciting to join the Aspen team at this stage in its journey. I am looking forward to working collaboratively with my new colleagues – and harnessing our combined expertise to support the wider business.” 

Mark Cloutier commented: “I’m delighted to welcome Bill to Aspen. With three decades of actuarial and non-life expertise, he is the right person to support our evolving actuarial function at a time when risk management and pricing accuracy forms a key focus for Aspen to become a top quartile specialty (re)insurer. I would like to thank Andy for the contribution he has made to Aspen and would like to wish him well with his new endeavours.” 




For further information:  


Peter Krinks

Senior Group Communications Manager

+44 (0)20 7184 8544


About Aspen Insurance Holdings Limited

Aspen provides reinsurance and insurance coverage to clients in various domestic and global markets through wholly-owned subsidiaries and offices in Australia, Bermuda, Canada, Singapore, Switzerland, the United Kingdom and the United States. For the year ended December 31, 2020, Aspen reported $13.2 billion in total assets, $7.2 billion in gross reserves, $3.0 billion in total shareholders’ equity and $3.7 billion in gross written premiums. Aspen's operating subsidiaries have been assigned a rating of “A-” by Standard & Poor’s Financial Services LLC and an “A” (“Excellent”) by A.M. Best Company Inc. For more information about Aspen, please visit


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