Aliah Berman will lead global vision, strategy and execution of diversity, equity and inclusion initiatives.
Campaign looks at the top ad agencies ranked by gross new-business billing in 2022.
Meanwhile, AB InBev and Mondelez dominated media new business.
Publicis Groupe contributed to two-thirds of December billings.
India is only market in top three to record new-business growth in November.
Publicis Groupe and Havas post year-on-year growth.
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