After a year of anticipation and regulatory review, Omnicom has closed its $13.5 billion acquisition of IPG—and a lot is changing at the holdco. Led by CEO John Wren, the […]
After a year of anticipation and regulatory review, Omnicom has closed its $13.5 billion acquisition of IPG—and a lot is changing at the holdco. Led by CEO John Wren, the […]