RITA McGRATH is a best-selling author, a sought-after speaker, and a longtime professor at Columbia Business School. Rita is one of the world's top experts on innovation and growth and is one of the most regularly published authors in the Harvard Business Review. She is consistently ranked among the top 10 management thinkers in the world and was ranked #1 for strategy by Thinkers50. Her most recent best-selling book is The End of Competitive Advantage (Harvard Business Review Press, 2013).