Ailsa King will join Marsh as chief client officer for the UK and Ireland. Prior to her move to Marsh King spent 25 years at Willis Towers Watson where she most recently held the position of head of UK client and business development. King will report directly to CEO of Marsh UK and Ireland, Mark Weil. In her new position she will become a director of Marsh, joining the UK and Ireland executive committee. King will work closely with Marsh and McLennan’s operating companies, Mercer, Guy Carpenter and Oliver Wyman. Weil said: "Ailsa's significant industry experience and deep client relationships will ensure that our clients will continue to be at the centre of our strategic efforts and that their views will be represented at the highest level within our firm."