Sean O'Brien

Chairman, Dentsu Aegis Network Media

Sean has over 20 years experience in media communications, working in global and regional management roles in London, New York, Latin America and Asia. 

He brings with him the added perspective of having run a full-service advertising agency and a branding consultancy. Sean is a qualified business coach, a qualified member of the ‘Chartered Institute of Marketing” and has led teams to multiple industry awards. 

Sean was awarded Campaign Asia Pacific Agency Head of the Year in 2012 and 2016. In June 2018, Sean moved into the role as Chairman of Dentsu Aegis Network Media, overseeing Carat, Vizeum and dentsu X.

Sean O'Brien, Chairman, Dentsu Aegis Network Media

Asset library

Browse our brand assets, leader photos and reports

Link to Asset library

Our thinking

Discover the latest thinking from across our network

Link to Our thinking