Simon Atherley, Head of Marketing Effectiveness, Kantar UK

Si Atherley is Kantar’s Head of Marketing Effectiveness for the UK. He is responsible for connecting Kantar’s expertise and data across a wide range of effectiveness topics to help define best practice. 

He joined Kantar in 2010 and since then has been leading large effectiveness measurement programmes for the likes of Heineken, Kellogg’s, and Unilever.   

Si has close insight into the effectiveness research that sits behind award winning campaigns from leading Kantar’s creative development research into Cadbury’s award winning ‘glass and a half in everyone’ campaign. 

Si also leads Kantar’s partnerships to progress industry’s understanding of effectiveness topics through new studies and analysis working closely with major platforms and industry bodies.