Big Data : The Power of Information 7th November 2012 John Hall, Partner, KPMG; Rakesh Rawal, CEO, +91 Europe; Piers North, Strategy Director, Yahoo! Simon Jury, Head of Asia, Tesco Clubcard; David Battiston, MD, AIMIA (Nectar Card) Piers North, Strategy Director, Yahoo! Share on Whatsapp Share on XTweet Share on LinkedIn Share Send email Mail