Macquarie Group chairman Kevin McCann, who had previously announced his intention to retire, will stand for re-election at the group's annual general meeting in July.Macquarie said in a statement on Friday that McCann's decision would ensure continuity for the Macquarie Group and Macquarie Bank boards (McCann is also chairman of the bank), following the recent retirement of directors Catherine Livingstone and John Niland and the appointment of new directors Gary Banks, Patricia Cross and Nicola Wakefield Evans.If re-elected, McCann will serve a three-year term.The group also announced that the current head of credit in the risk management group, Mary Reemst, had been appointed chief executive of Macquarie Bank, effect on July 14. Reemst will sit on the Macquarie Bank board and join the group executive committee.Macquarie Group deputy managing director Greg Ward will step aside as head of the bank but will remain head of the banking and finance group.Macquarie Group chief financial officer, Patrick Upfold, and co-head of Corporate and Asset Finance, Ben Brazil, have also been appointed to the group executive committee.