Aviva Investors has appointed Hassan Johaadien and Bruno Serdoura to co-manage its Diversified Asset Fund and Diversified Asset Strategy, following the departure of Mirko Cardinale.

Johaadien, who is head of tactical asset allocation research, was co-manager of the Aviva Investors Absolute TAA Fund and the Aviva Investors TAA 5 Fund from January 1, 2011 until its closure was announced in July 2012.