Executive Committee - Holcim Australia George Agriogiannis Chief Executive Officer (CEO) Scott Buchanan Executive General Manager (EGM) - Aggregates Guido Dewilde Executive General Manager (EGM) - Humes Helen Jones Executive General Manager (EGM) - People, Culture and Communications Greg Price Executive General Manager (EGM) - Concrete and Major Projects Brad Tallon Executive General Manager (EGM) - IT, Technical and Engineering Phil Wallace Chief Financial Officer (CFO)