Ironshore to open Cologne hub; Tunnicliffe joins ARS; BP Marsh raises Nexus stake; AIG to sell PICC stake; Axis $750mn buyback mandate; Lloyd's council election; Everest extends Addesso contract; Zurich increases job cuts; Hiscox raids Catlin; Aligned Re to come to market; Numis Securities upgrades Beazley; Aspen hires Axis exec; Saenz joins HDI-Gerling; JLT Specialty USA hires; Ironshore launches NZ office; Barbican hires Fearon; Markel makes excess liability hire; Qatar Re completes Bermuda move; ARC to d