Allan Leighton, ceo of Wal-Mart Europe, has taken over control of Wal-Mart's German operations as ceo Ron Tiarks has returned to the US. Leighton will take on a more hands on approach in Germany and he has hand picked a management team to run the day to day operations. Tony DeNunzio ­ formerly with Asda ­ is chief financial officer, and Ian McLeod becomes head of merchandise and marketing. McLeod also joins from Asda where he is currently retail md. {{NEWS }}