Brian Wieser is heading back to the agency world, joining WPP’s media buying unit GroupM as global president of business...
pivotal research
On Monday, Pivotal analyst Brian Wieser informed investors he will begin covering Criteo and The Trade Desk as his first...
AdExchanger Talks is a podcast focused on data-driven marketing. Subscribe here.Brian Wieser has been called the most quoted man in advertising, and...
The past year was a tough one for agency holding companies.WPP, Omnicom, Publicis Groupe, IPG, Dentsu Aegis Network and Havas...