W/R/B Underwriting has put its London marine book under review as it assesses the best way to proceed with the struggling line of business. The marine team writes marine hull, liability, marine war and cargo thought to be in the region of $30mn. The book is led by director of underwriting for non-static risks Louise Nevill. W/R/B Underwriting, led by Alastair Blades, consists of WR Berkley Syndicate 1967 and WR Berkley Insurance Limited and is a unit of WR Berkley Corp. In 2015 W/R/B Underwriting contributed 38.9% of GWP for Insurance International, valued at $778mn.