When Wendy Clark interviewed for the CEO role at Dentsu, she understood the job would entail a massive task: the integration of nearly 200 acquisitions over a six-year period. Dentsu’s acquisition spree led to a complex and bloated leadership team. Job No. 1 to combat that complexity: a rebrand and consolidation. Dentsu Aegis Network became just Dentsu, consolidating 170 brands to six.