Omnicom (NYSE:OMC) Q1 2026 Earnings call April 28, 2026 04:30 PM ET Company ParticipantsAdrien de Saint Hilaire - Director, Head of European Media ResearchDavid Karnovsky - Managing Director, Head of U.S. Media, Entertainment and Advertising Equity ResearchGregory Lundberg - SVP of Investor RelationsJohn Wren - Chairman and CEOMichael Nathanson - Co-Founder and Senior Managing DirectorPaolo Yuvienco - EVP and CTOPhil Angelastro - EVP and CFOConference Call ParticipantsJason Bazinet - Managing Director, Seni ...