Global News
OMG’s Hearts & Science and OMD Top R3’s 2018 New Business Rankings
This article was originally published by MediaPost. GroupM’s MediaCom is the global winner in new business development among media agencies for full-year 2018, according to a rundown by R3 Worldwide. Omnicom’s Hearts & Science took the U.S. crown, per the…
January 24, 2019