Man Group plc announced changes to its senior management and Board positions. Sandy Rattray has informed the Board of his intention to retire from his role as Chief Investment Officer. Sandy will hand over his responsibilities over the next few months and will then leave the Company during the second half of this year. Mark Jones, Chief Financial Officer will be taking on the new role of Deputy Chief Executive Officer for Man Group, with responsibility for Man AHL, Man Numeric and the Group's technology functions. The company to appoint Antoine Forterre as an Executive Director of the Company.