Gareth Rees

Head of Energy Liability

London, UK

Gareth builds and leads Mosaic’s global energy risk business, with nearly 30 years of experience in support of our oil and gas clients. He established a successful MGU business at White Bear in 2020, and prior, he held various senior underwriting roles for BRM Syndicate 1861 at Lloyd’s. Gareth later worked at Aspen Insurance, where he led the marine & energy liability business, and had oversight of the hull, cargo, and specie sector.