Erik Oster is Adweek's senior writer covering Agencies, where he covers creative, media and strategy agencies. He is a frequent writer for Adweek's advertising blog AgencySpy. Erik holds a BA from Goucher College.
Krystal Olivieri will be tasked with promoting and streamlining GroupM's products and solutions.
The appointment follows a lengthy review.
Droga5 is opening a new office in Tokyo ahead of plans for further expansion into Brazil and China.
Groupon appointed FCB as its creative agency ahead of a repositioning campaign, after naming TBWWA\Chiat\Day as agency of record in 2020.