Nigel Warner has been appointed head of investment operations and information technology at Dresdner RCM Global Investors in London.

Warner joined Dresdner RCM in 1999 to oversee the IT operations of Dresdner's asset management business. His promotion and expanded role follows the departure of Terry Harrison, who left to join third party administrator European Financial Data Services (EFDS), the State Street and DST International joint venture, as product development director.