Jim Collins is an American author, lecturer and consultant, who, among other things, has taught at the Stanford University Graduate School of Business and is a frequent contributor to Fortune, Business Week and Harvard Business Review. His other book, Good to Great, has sold over four million copies.
Jerry I. Porras is an academic and business analyst. He is the Lane Professor Emeritus of Organizational Behavior and Change at the Stanford University Graduate School of Business. His primary interest lies in finding methods for aligning companies with their core purpose and values.





