by Sarah Ingber | Apr 4, 2024
by Sarah Ingber | Apr 4, 2024
by Sarah Ingber | Apr 4, 2024
by Sarah Ingber | Apr 4, 2024
by Goldman Copeland | Apr 22, 2018
Omnicom Group is a U.S.-based global marketing and corporate communications holding company, headquartered in New York City. Omnicom’s branded networks and specialty firms provide services in four disciplines: advertising, customer relationship management,...