London, 12 October 2026: Lockton, the world's largest independent insurance broker, has appointed marine specialist Gill Martin as Head of Broking, Marine Hull, strengthening its capabilities and commitment to delivering specialist expertise to clients across global shipping and marine markets.
Based in London, Gill will lead Lockton’s marine hull broking strategy, working closely with clients, insurers, and colleagues across the business to devise innovative risk solutions, deepen market relationships, and support the continued growth of Lockton’s marine team.
Gill joins Lockton from Howden where she was division director for marine. She has more than 35 years of experience in handling, producing and broking marine insurance, and has held senior roles at SSL, Marsh, and Aon. With strong expertise in marine hull and related marine classes, Gill has worked extensively with international clients. She particularly has experience working with clients in the United States, Greece, Asia, and Türkiye, and is a regular guest speaker at industry events.
Throughout her career, Gill has been recognised for building and mentoring high-performing broking teams, managing complex international portfolios, and developing solutions for clients as they adapt to the evolving geopolitical environment and increased risks.
Gill’s appointment reflects Lockton’s ongoing investment in its marine business (opens a new window) as it continues to expand its capabilities and deliver specialist expertise to shipowners, operators, financiers, and other stakeholders worldwide.
Alistair Rivers, Head of Global Marine and Transportation at Lockton, said: “Gill is one of the most respected brokers in the marine insurance market, both in London and internationally. Her deep technical expertise, strong insurer relationships, and proven leadership ability make her an outstanding addition to our team. With global shipping becoming increasingly complex, our clients will appreciate Gill’s depth of experience and industry credibility.”
Gill Martin added: “I am delighted to be joining Lockton at this stage of my career and re-connecting with many colleagues that I have worked with in previous roles, some 25 already identified, so this feels like a homecoming, and together we will provide great solutions for clients worldwide – I can’t wait to get started!”