John W. MullinsJohn Mullins is Associate Professor of Management Practice at London Business School,where he heads the entrepreneurship group. He earned his MBA at the Stanford GraduateSchool of Business and, considerably later in life, his PhD in marketing from the Universityof Minnesota. An award-winning teacher, John brings to his teaching and research 20years of executive experience in high-growth firms, including two ventures he founded, oneof which he took public.Since becoming a business school professor in 1992, John has published more than 30articles in a variety of outlets, including Harvard Business Review, the Journal of ProductInnovation Management, and the Journal of Business Venturing. His research has wonnational and international awards from the Marketing Science Institute, the AmericanMarketing Association, and the Richard D. Irwin Foundation.He is also co-author of Marketing Management: A Strategic Decision-Making Approach,5th edition. His recent trade book, The New Business Road Test: What Entrepreneurs andExecutives Should Do Before Writing a Business Plan, is the definitive work on the assessmentand shaping of market opportunities.