The July 2015 MDC Partners and Hain Celestial governance scrutiny period became a reference case in holding-company governance crisis communications. The subsidiary-brand insulation problem, the Nadal and Simon disclosures, and what holding-company governance comms hardened into.
Omnicom closed its mega-merger with IPG on November 26, 2025, creating the largest holding company in agency history. The deal of the decade. Whether it becomes the integration of the decade is the open question for the next 24 months.
Arthur Sadoun — Chairman and CEO of Publicis Groupe since June 1, 2017, the third leader in the Groupe's 100-year history. Career from TBWA/Paris to Publicis Conseil to Worldwide to Communications to the top job. CoreAI, Marcel, Epsilon, Sapient, Lotame, LiveRamp. Governance combined 2024. €11.7M retention through 2027. Twenty straight quarters of outperformance.
