Globally recognized strategy expert; clients include Pearson, General Electric, Covidien and Alliance Boots. Instructor, speaker and consultant to senior leadership teams. Professor, Columbia Business School. Author of four books including The End of Competitive Advantage. Recipient of awards and honours: named one of the top 20 management thinkers, Thinkers50 (2011); short-listed for Strategy and Best Book categories, Thinkers50 (2013); named one of the 25 smartest women to follow on Twitter, Fast Company.