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Agathe Guerrier

Global Co-Chief Strategy Officer, TBWA\Worldwide

Agathe is Global Co-Chief Strategy Officer for TBWA\Worldwide, partnering with Emma Montgomery to lead strategy across the global collective. Together, they share oversight of the agency’s Disruption® methodology, brand and connections strategy, customer experience design, as well as TBWA’s culture lab Backslash, and its research and intelligence platform Knowledge. They will play a critical role in shaping disruptive, business-building creative outcomes within the collective, and ensuring unconventional thinking at every step across clients’ customer journeys.


Agathe began her career at France’s BETC Euro RSCG before crossing the Channel to join Mother in London. She then moved to BBH London, where she spent five years and quickly rose through the ranks to the agency’s leadership team, becoming Head of Strategy and Managing Partner. She has led strategy for some of the agency’s most creatively progressive brands, including Axe and The Guardian. Agathe also ran BBH’s global R&D unit and renowned publishing platform, BBH Labs. 


Before joining TBWA, Agathe spent the past three years at BBH LA as Head of Strategy, focusing on disruptor brands in the entertainment and technology space including T-Mobile, Google, Quibi and NBC Universal. She was also instrumental in developing and piloting BBH LA’s brand-owned IP model (BBH Entertainment), which saw its first two releases in the last six months for Depeche Mode and Unilever - Girls Room, a show developed for Dove and written by Lena Waithe, just picked up a prestigious Tribeca X awards for Best Series.