May 5 (Reuters) - Automotive Solutions Group Ltd 4WD.AX :
* Following initial phase of review, CEO, Tanya Mason, will step down from her role effective immediately
* Tom Philips will commence a search program for a suitable chief executive officer replacement to lead business
* Says Tom Phillips, will assume role of executive chairman following Mason's departure Source text for Eikon: ID:nASX4NL4DG Further company coverage: 4WD.AX