Robson will become lead manager on the $49.5m (£31m) Threadneedle Global Focus fund in November. He will report to Jeremy Podger, the head of global equities.
Robson joins from Martin Currie Investment Management where he worked as a global portfolio manager.
He has also previously worked for Pioneer Asset Management and Barings Asset Management.
Mark Burgess, chief investment officer at Threadneedle, says: “We have a very strong global equities team, which takes a borderless, active approach to finding the best opportunities available in equity markets around the world.”
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