Jim Collins is a student of companies—great ones, good ones, weak ones, failed ones, from young start-ups to venerable sesquicentenarians. The author of the national bestseller Good to Great and co-author of Built to Last, he serves as a teacher to leaders throughout the corporate and social sectors. His most recent book is Great by Choice, a look at why some companies thrive in uncertain times. His work has been featured in Fortune, Business Week, The Economist, USA Today, and Harvard Business Review. You can find more information about Jim and his work at his e-teaching site, www.jimcollins.com.