Biographical note

About Pocket Mentors The Pocket Mentor series offers immediate solutions to the challenges managers face on the job every day. Each book in the series is packed with handy tools, self-tests, and real life examples to help you identify strengths and weaknesses and hone critical skills. Whether you're at your desk, in a meeting, or on the road, these portable guides enable you to tackle the daily demands of your work with greater speed, savvy, and effectiveness. Meet Your Mentor David J. Collis is a professor in the strategy unit at Harvard Business School, where he teaches in the MBA and Executive Education programs. He is an expert on corporate strategy and global competition, and coauthor of two books on the topic (Corporate Strategy and Corporate Headquarters).