Michael Treacy is the President and founder of Treacy & Company. He is the author of Double Digit Growth: How Companies Achieve It No Matter What and a frequent contributor to the Harvard Business Review. Formerly a Professor of Management at the Sloan School of Management at the Massachusetts Institute of Technology, Mr. Treacy has a PhD from the MIT Sloan School of Management and an engineering degree from the University of Toronto. Fred Wiersema is a business strategist and the author of The New Market Leaders: Who’s Winning and How in the Battle for Customers, among other books. He received his PhD in business administration from Harvard.