Arch Insurance Appoints Andrew Whitlock as Head of Casualty

Andrew Whitlock has been appointed as Head of Casualty at Arch Insurance Australia. Based in Sydney, he will lead the company's casualty underwriting strategy and drive growth of its retail portfolio. His appointment supports Arch's continued expansion of its casualty business across Australia. He will also strengthen alignment between Arch's Australian retail operations and its international wholesale platform. Andrew joined Arch Insurance Australia in 2026 as Northern Region Underwriting Manager, Casualty. Before this, he spent eight years at Chubb, progressing through several casualty underwriting positions in London and Sydney. His most recent role at Chubb was National Casualty Segment Leader for the Major Accounts Division. He previously served as Deputy Casualty Segment Leader and Senior Casualty Underwriter within the same division. Earlier in his career, he worked as a Casualty Underwriter and Assistant Underwriter, as well as a Multinational Client Services Executive at Chubb. He began his broking career at Brown & Brown in London as a Commercial Account Executive and Placement Broker.