Emerging market equity manager Glen Finegan is to take a year out from his role at First State as of November.
Rob Gambi has been appointed chief investment officer of Henderson, starting in 2014.
M&G's Graham French has told investors last year was one of the toughest periods of his career as his fund underperformed amid a torrid time for commodities.
Ruffer's Steve Russell and Hamish Baillie are holding 14% of their investment trust portfolio in cash as they remain cautious over the short-term outlook.
David North, Legal & General Investment Management's former head of asset allocation and high yield, is set to return to the fund management industry.
Liontrust Asset Management has recorded its 13th consecutive quarter of net inflows, helping push assets under management to £3.4bn.