June 5 - International insurance company ACE Group has appointed Andrew Williamson as its new executive vice president, global marine for ACE Overseas General (AOG), effective July 1.

In his new role, Williamson will have overall responsibility for the performance, development and future growth of ACE's marine insurance portfolio internationally, including for its wholesale, global accounts and middle market clients.

With 22 years of cargo and marine insurance experience, Williamson joined ACE in 2004 as cargo underwriter and UK&I cargo manager for ACE Global Markets (AGM). In 2009 he assumed overall responsibility for the AGM marine portfolio.

Previously, he spent almost ten years at broker Marsh, managing a variety of large North American client accounts, and specialising in project cargo insurance for infrastructure projects. Williamson will continue to be based in London and will report to David Furby, division president, commercial property and casualty, at AOG.

Williamson succeeds Peter Seymour who has decided to step down from the role after 14 years at ACE. Seymour will continue serving as a technical consultant.