March 27 (Reuters) - Phosphagenics Ltd POH.AX :
* GREG COLLIER WILL ASSUME ROLE OF EXECUTIVE CHAIRMAN
* ROSS MURDOCH TO STEP DOWN AS CHIEF EXECUTIVE OFFICER
* ROSS MURDOCH TO BECOME NON-EXECUTIVE DIRECTOR OF CO
March 27 (Reuters) - Phosphagenics Ltd POH.AX :
* GREG COLLIER WILL ASSUME ROLE OF EXECUTIVE CHAIRMAN
* ROSS MURDOCH TO STEP DOWN AS CHIEF EXECUTIVE OFFICER
* ROSS MURDOCH TO BECOME NON-EXECUTIVE DIRECTOR OF CO