Former PHD Chief Sullivan Joins Advisory Board Of Ad-Tech Firm Equativ

Catherine Sullivan, who stepped down as U.S. CEO of Omnicom Media Group's PHD unit in May to pursue a sales-side role, has joined the strategic advisory board of ad-technology firm Equativ.

Sullivan joins other high-profile former ad industry leaders including Mainardo de Nardis (former exec chair of Omnicom Media Group) and Greg Coleman as a strategic advisor.

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