Les Binet is Group Head of Effectiveness at adam&eveDDB and also runs DDB Matrix, the network’s econometrics consultancy which he founded in 1999. He is a world-renowned effectiveness expert, having won more IPA Effectiveness Awards than anyone else in the competition's history. In 2014, the Institute of Practitioners in Advertising awarded him The President’s Medal, the highest honor it can bestow, in recognition of these achievements. Les has written extensively on how advertising works, how to make it work better, and how to evaluate it. In particular, his work with Peter Field has attracted international attention. In recent years, Les has published a series of reports under the banner “Marketing Effectiveness in the Digital Era”. He has worked extensively with digital brands such as Google, YouTube, Facebook, LinkedIn and Amazon, both as a researcher and as a thought leader. He has spoken at several events for both companies.