Michael Larson
Michael Larson was appointed CEO of Diversified Agency Services (DAS) as part of the December 2025 Omnicom leadership restructuring announced in connection with its acquisition of Interpublic Group (IPG). DAS is Omnicom's division that houses a broad portfolio of specialized marketing services agencies spanning disciplines such as healthcare, public relations, branding, and experiential marketing. His appointment to this role places him at the helm of one of the most expansive collections of specialty agencies in the holding company landscape. The Omnicom-IPG merger, one of the most significant consolidation events in advertising history, prompted a sweeping reorganization of leadership across both legacy organizations. Larson's elevation to the DAS CEO role reflects Omnicom's confidence in his ability to manage complex, multi-agency portfolios and drive integration and operational efficiency across a diverse set of marketing services businesses. Beyond the specifics of his December 2025 appointment, detailed public biographical information about Larson's prior career trajectory, educational background, and earlier roles is limited in verified public sources. His profile is primarily defined at this time by his position within the post-merger Omnicom structure.
Last updated Jun 24, 2026 by ATDb automated enrichment
Bio
Michael Larson was appointed CEO of Diversified Agency Services (DAS) as part of the December 2025 Omnicom leadership restructuring announced in connection with its acquisition of Interpublic Group (IPG). DAS is Omnicom's division that houses a broad portfolio of specialized marketing services agencies spanning disciplines such as healthcare, public relations, branding, and experiential marketing. His appointment to this role places him at the helm of one of the most expansive collections of specialty agencies in the holding company landscape. The Omnicom-IPG merger, one of the most significant consolidation events in advertising history, prompted a sweeping reorganization of leadership across both legacy organizations. Larson's elevation to the DAS CEO role reflects Omnicom's confidence in his ability to manage complex, multi-agency portfolios and drive integration and operational efficiency across a diverse set of marketing services businesses. Beyond the specifics of his December 2025 appointment, detailed public biographical information about Larson's prior career trajectory, educational background, and earlier roles is limited in verified public sources. His profile is primarily defined at this time by his position within the post-merger Omnicom structure.
Expertise & education
Expertise
Recognition
Notable achievements
- Appointed CEO of Diversified Agency Services as part of the December 2025 Omnicom leadership structure following the Interpublic Group acquisition
- Positioned to oversee one of the largest specialty agency portfolios in the global holding company landscape post-merger