The Republican lawsuit targets reinsurance that helps insurance companies provide universal coverage without accounting for pre-existing conditions.
RSA has appointed Steve Lewis as CEO for the UK and Western Europe.
According to a release, he will join the company with effect from 1 January 2015.
In his new role he will be responsible for the RSA and MORE TH>N brands in the UK, 123.ie in Ireland and businesses across Western Europe.
He will join the Group Executive Team and report to Group Chief Executive Stephen Hester.
Steve joins from Zurich where he was CEO, UK General Insurance & Shared Services, a role he has held since 2009. During his 25 year career at Zurich he has held a number of operational and financial roles in the UK, Zurich and Asia Pacific.
Group Chief Executive Stephen Hester said:
"I am delighted to have appointed someone of Steve's calibre to RSA. He combines exceptional industry knowledge with experience of leading successful businesses in a competitive marketplace.
"I am confident that Steve will bring a fresh outlook and approach, and together with our existing UK management team, provide the strong leadership, energy and commitment to make the changes that will ensure the future success of our UK and Western Europe businesses."
Adrian Brown will remain in his current role until 31st August 2014, when he will leave the business to join A J. Gallagher's as Executive Chairman, Underwriting and Distribution as previously announced.
With a 300-year heritage, RSA is a multinational quoted insurance group.
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