Independent insurance broker and professional services firm Lockton has appointed Christina Zapantoulis as leader of its marine team for Northeast US operations, based in New York City. Zapantoulis will help clients develop risk management strategies and structure, negotiate and implement complex marine insurance programs, and lead a team of marine insurance professionals. Zapantoulis was previously executive vice president and property practice leader at Krauter & Company in New York, where she worked on cargo, marine, builders’ risk and complex property programmes. She also has experience at Marsh and as an underwriter at Chubb, specializing in property, marine and machinery.