Joanna O'Connell — Chief Intelligence Officer, North America at Omnicom Media Group

Joanna O'Connell has taken on the role of Chief Intelligence Officer, North America at Omnicom Media Group, a significant leadership appointment within one of the world's largest media agency networks. O'Connell is a well-known figure in the AdTech and data-driven marketing space, having previously served as a principal analyst at Forrester Research where she covered programmatic advertising, data strategy, and marketing technology for many years. Her move into this executive role at Omnicom Media Group signals the agency's commitment to embedding deep intelligence, data science, and AI-driven strategy at the highest levels of its North American operations. The appointment is particularly notable given the context in which O'Connell has been publicly discussing her role — specifically around 'agentic AI' and its impact on marketing, as highlighted by her participation at the Possible 2026 conference. Agentic AI refers to autonomous AI systems capable of executing multi-step tasks with minimal human intervention, a concept rapidly gaining traction in marketing and media buying. Her focus on this area suggests Omnicom Media Group is positioning intelligence and AI orchestration as a core strategic pillar rather than a peripheral capability. This leadership change reflects a broader industry trend of media holding companies elevating data, analytics, and AI leadership to C-suite prominence. As agencies face pressure to demonstrate measurable value and compete with consultancies and in-house teams, appointing seasoned intelligence leaders with deep industry credibility — like O'Connell — is a strategic move to differentiate and future-proof their offerings in an increasingly automated media landscape.

This appointment has meaningful implications for the AdTech and agency ecosystem. Omnicom Media Group, which encompasses agencies such as OMD, PHD, and Hearts & Science, manages billions in media spend globally, and elevating an intelligence-focused executive to a C-suite role in North America signals that data strategy and AI are now boardroom-level priorities rather than back-office functions. This could accelerate Omnicom's adoption and deployment of agentic AI tools across campaign planning, buying, and optimization workflows. Competitively, this move puts pressure on rival holding companies — WPP, Publicis Groupe, IPG, and Dentsu — to similarly invest in senior intelligence and AI leadership. Publicis has already made significant AI investments with its Marcel platform, and WPP has been vocal about AI integration, so Omnicom is signaling it intends to remain competitive on the intelligence front. O'Connell's background as an analyst also brings a research-driven, vendor-agnostic perspective that could influence how Omnicom evaluates and partners with AdTech vendors. For the broader AdTech industry, her public commentary on agentic AI at major conferences suggests that agency holding companies are beginning to shape the narrative around how autonomous AI systems will be integrated into media buying and marketing operations — a development that will have downstream effects on DSPs, SSPs, data clean rooms, and identity solution providers as they adapt their products to serve AI-driven buyers.