Patrick Affleck CEO, Havas Media Network Paul Wright Head of Uber Advertising International, Uber advertising Karen Stacey CEO, Digital Cinema Media Damon Reeve Chief Executive Officer, Ozone Dallas Wiles Co-CEO, JCDecaux UK Natalie Bell CEO, MG OMD Kelly Parker and Katie Lee CEO / COO, Wavemaker UK Kate Rowlinson CEO, EssenceMediacom UK Garrett O'Reilly CEO, Hearts & Science Ali Reed CEO, PHD UK