Giới thiệu
                                        
                                            GroupM is the leading global media investment management group serving as the parent to WPP media agencies including Mindshare, MediaCom, Wavemaker, Essence and m/SIX, as well as the Programmatic Digital Media Platform, Xaxis, each global operations in their own right with leading market positions. GroupM’s focus is to deliver unrivalled marketplace advantage to its clients, stakeholders and people.