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Kerin O'Connor Chief Executive THE WEEK
Jon O'Donnell Group Commercial Director ESI MEDIA
Paul O'Donnell CEO OGILVY & MATHER
Ciaran O'Kane CEO & Founder EXCHANGE WIRE
Peter Oborne Journalist and Writer
Rafe Offer Co-Founder and CEO SOFAR SOUNDS
Olajide Olatunji (aka KSI) #1 YouTube Content Creator in UK
Simon Oliveira Key strategist in David Beckham's team DOYEN GLOBAL
Jonathan Oliver Head of Global Innovation MICROSOFT
Rageh Omaar International Affairs Editor ITV
Hila Oren Founder & CEO TEL AVIV GLOBAL
Jo Ormiston Head of Design LEON
Andy Orrick Chief of Stuff RATTLING STICK
Alison Orsi VP, Marketing IBM
Kate Osborne Partner ARC / OMNICOM MEDIA GROUP