Johnstone Douglas has Nigel Chambers as its new managing director.
Chambers takes over the post with immediate effect replacing Doug Johnstone who becomes executive chairman. Mike Dwyer will continue in his role as deputy managing director.
Chambers has been the driving force behind Chambers Townsend Consultancy, Johnstone Douglas' pensions and administration technological systems provider.
He was also formerly the joint deputy MD and the firm's senior actuary.