Marks & Spencer has appointed John (Jack) Keenan, deputy chief executive of Guinness United Distillers & Vintners, and executive director of Diageo plc, as a non-executive director with effect from September 1 2001. Jack Keenan is a US citizen resident in the UK. He joined IDV and was appointed to the board of Grand Metropolitan plc in March 1996. Prior to this he spent over 30 years with General Foods/Kraft Foods International culminating in his appointment as chairman of Kraft Foods International in 1995.