ML Moves Michael Larson Moves from CEO to chairman of Omnicom Health 1 December 2025 OOmnicom→OOmnicom Michael Larson’s profile More movesAll moves DSDean SpicerJoins Rise & Amplify as creative director after four years freelancingJLJulian Leightonjoined The Digital Lighthouse as non-executive director.JLJoe Langleyjoined Apollo3D as business development manager.