The former Invesco Perpetual chief executive officer is replaces the retiring Peter Pearson Lund and will take on the role early next month.
Webb has over 25 years’ experience in the retail funds market. He joins the firm from Hermes Fund Managers where he was head of business development.
In addition to his time as Invesco Perpetual CEO, Webb has also held roles at GT Global Asset Management and Prolific Financial Management.
Rathbone Brothers Plc chief executive Andy Pomfret says: “We have undertaken an extensive executive search which generated a very strong list of candidates. Mike has an excellent track record in business development as well as possessing the necessary personal attributes to work with the team of talented individuals within our unit trust business to ensure its continued success.”
Lund says: “After an exciting and highly enjoyable 10 years at Rathbones, I am confident that in handing over the baton to someone of Mike’s calibre, Rathbone Unit Trust Management will continue to go from strength to strength, guided by his in-depth knowledge and experience of the UK retail funds market.”