Talanx receives internal model approval; AGCS hires aviation expert; Arcus gets green light; Towergate makes £18.7mn loss; Ace details leadership teams; Pool Re retention increased; Willis-Towers Watson vote delayed to December; Steadfast adds Insight; CNA names Robusto as incoming CEO; SCR audit update; Marine division launch; R&Q acquires FNF Title; RenRe syndicate shake-up; Markel Co-CEOs unveiled; Hanway succeeds Lang at MMC; Vibe hires trio; Atkin becomes Talbot chairman; RiiG hires C