Omnicom Group Inc. is an American global media, 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... Wikipedia
Subsidiaries: Omnicom Media Group Holdings Inc, BBDO, DDB Worldwide, and more
CEO: John Wren (Jan 1, 1997–)
CIO: Craig Cuyar
CMO: Kathleen Saxton
COO: Daryl Simm
President: Daryl Simm