Deirdre Brennan

Deputy Chief Operating Officer Reinsurance

Deirdre Brennan was appointed Deputy COO Reinsurance in January 2021. Deirdre joined Aspen in 2005 as a Senior Business Analyst and spent 8 years in the IT function. She then moved to the Reinsurance division leading the Change programme which involved implementing a new operational model for the Reinsurance Operations function. In 2017 she was appointed Global Head of Reinsurance Underwriting Operations and Change Management. Deirdre is also Chairperson of the UK CSR committee.. Prior to joining Aspen, Deirdre started her career in IT in the Life  & Pensions sector before providing IT consulting predominantly in the London Insurance Market.


+44 20 7184 8992


[email protected]