Jan 27 (Reuters) - GBST Holdings Ltd GBT.AX :
* Says Andrew Ritter has resigned as chief financial officer
* Says Patrick Salis will take on the CFO responsibilities
* Source text for Eikon ID:nASX66Hn7W
Jan 27 (Reuters) - GBST Holdings Ltd GBT.AX :
* Says Andrew Ritter has resigned as chief financial officer
* Says Patrick Salis will take on the CFO responsibilities
* Source text for Eikon ID:nASX66Hn7W