Insurance broker Marsh has appointed Alistair Fraser as the International Corporate & Commercial Leader, a newly-created position effective January 1, 2025. Fraser will succeed Alistair Brighton, who takes over as CEO of Corporate & Commercial UK, also starting on the same date, pending regulatory approval. Based in London, Fraser is tasked with developing tailored services for small and mid-market organizations globally, while Brighton will oversee Marsh’s clients in the UK market. The changes aim to enhance service offerings amid today’s complex risk landscape facing businesses.