Sept 7 (Reuters) - Greenvale Mining Ltd GRV.AX :
* TONY LEIBOWITZ APPOINTED AS CHAIRMAN
* LEO KHOURI WILL STEP DOWN AS CHAIRMAN BUT WILL REMAIN ON BOARD AS A NON-EXECUTIVE DIRECTOR
Sept 7 (Reuters) - Greenvale Mining Ltd GRV.AX :
* TONY LEIBOWITZ APPOINTED AS CHAIRMAN
* LEO KHOURI WILL STEP DOWN AS CHAIRMAN BUT WILL REMAIN ON BOARD AS A NON-EXECUTIVE DIRECTOR