David oversees underwriting portfolio development and governance throughout Mosaic’s regional offices, with a particular focus on syndicated capital management and consortia operations. David has worked in the Lloyd’s market since 1985, initially as a broker, and started his underwriting career at SVB in 1999. He was one of the founding underwriters of Pembroke Syndicate 4000 in 2004, establishing its professional lines division, which he ran for a decade. He held a number of roles with Ironshore and Pembroke Managing Agency, later Hamilton Managing Agency, including head of distribution, chief underwriting officer, and director of the managing agency. He also served on boards of US and Canadian subsidiaries.