mediasense Announces Co-founder Graham Brown’s Move to Non-Executive Director Role

London, 16 October 2025 – mediasense, the global independent marketing advisory, today confirmed that Graham Brown, co-founder and Executive Chair, will move into the role of Non-Executive Director. Brown will continue to contribute to mediasense’s long-term vision, with management responsibilities remaining under the leadership of CEO, Jamie Posnanski.

“Transitioning into Non-Executive Director is a natural step for me at this stage,” said Brown. “The team has led the successful integrations of two acquisitions, PwC’s Media Advisory team and R3, the global independent marketing consultancy, and the company now has a fully integrated offering, with an end-to-end suite of capabilities that will serve the needs of marketers. I remain deeply committed to actively participating at the Board and supporting the executive team as they service our clients and lead our people.”

Jamie Posnanski, CEO of mediasense, said: “Graham’s commitment to the business – and our industry as a whole – has been integral to the foundation of what mediasense is today. I look forward to our continued work together in his role as a trusted advisor and strategic voice on the Board, while our executive leadership team drive the company through its next phase of growth.”

“Graham founded and built a very successful business in which Apiary continues to be a proud investor,” said Dan Adler, Partner at Apiary Capital. “We want to thank him for his excellent leadership of mediasense as Executive Chairman. We both share commitment to the group and the belief in a strong governance framework.”