Fiona Johnston To Depart Dentsu

Fiona Johnston to Leave Dentsu

Fiona Johnston, CEO - client and commercial, and practice resident, will depart Dentsu at the end of the week after nearly three years with the company.

Her departure comes after joining from IPG Mediabrands and follows Kirsty Muddle's announcement to join Ogilvy, with B&T noting the two events are unconnected.

Johnston's role will be removed as part of Dentsu's efforts to simplify its business and adopt a flatter leadership structure, realigning its model to support strategic capabilities and Media ++ strategy.

Her departure is also unconnected to the rumoured sale of Dentsu's international business.

Dentsu aims to bring greater simplicity to its business with this change.

Author's summary: Fiona Johnston leaves Dentsu after three years.

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B&T B&T — 2025-10-14