Henderson has promoted Ben Pakenham to the role of lead manager on the £151m Henderson Extra Monthly Income fund, replacing James Gledhill.
The manager of Henderson's £795m European Growth fund urges investors to stay put in Europe despite Middle East troubles and surging inflation.
Henderson's Bill McQuaker has reshaped the group's multi-manager range, giving it a greater European focus.
Henderson's John Pattullo has increased the £641m Preference & Bond fund's maximum exposure to high yield, believing there are considerable opportunities in this area of the market.
Gartmore's annual results, released today, show £7.2bn of assets left the firm in 2010, compared to a net inflow of £300m in 2009.
A raft of fund managers are taking profits in gold ahead of interest rate rises, while others argue the asset still offers long-term upside.
Henderson Global Investors is proposing to merge two of the group's global SRI funds, run by Tim Dieppe, due to similarity between the mandates.
Tim Gibson is joining Henderson Global Investors as head of property equities for Asia on 1 March.