Sirius continues expansion of US Casualty Reinsurance


Sirius continues expansion of US Casualty Reinsurance

Sirius International Insurance (publ), (Sirius International) is pleased to announce that
Ian Sawyer and Ciaran Mulcahy are joining to further strengthen the US Casualty Reinsurance business.  Based in London and reporting to Sirius International Managing Agency CEO Robert Harman, the team will be complementary to the business which is currently being written by Sirius Bermuda under the direction Robert McFadden and Eric Soria.


  • Ian with 30 years market experience joins from XL Catlin where he spent 11 years most recently as Head of US Casualty Treaty and Chairman of the LMA North American Casualty Treaty Committee.
  • Ciaran with 10 years market experience, joins from Hiscox where he was a Senior Treaty Underwriter for US Casualty Reinsurance.


Monica Cramér Manhem, Sirius International President and CEO, said “We are excited to add such talented underwriters to the Sirius team.  Both Ian and Ciaran are recognised leaders in US Casualty Reinsurance.  Their extensive industry knowledge and relationships both in the USA and London will be integral to growing our US Casualty offering.  


Sirius International Insurance Group, Ltd.(“Sirius Group”) is an international, multi-billion dollar company with worldwide interests in Insurance and reinsurance.  A subsidiary of CMIG International, Sirius Group is a Bermuda based holding company with (re)insurance operating companies in Stockholm, London, Bermuda and New York.  Utilizing disciplined and professional underwriting, superior risk evaluation and best –in-class pricing technology, Sirius Group’s subsidiaries provide multiline (re)insurance capacity in over 140 countries. Additional information is available at Sirius Group’s web site located at

© 2019 Sirius International Insurance Group Ltd. All Rights Reserved.

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