Michael AbbottAndris A. Zoltners is professor of marketing at the J.L. Kellogg Graduate School of Management at Northwestern University. He is a founder and managing director of ZS Associates, a global business consulting firm. For over 20 years, he has sered the business community as a professor, consultant, and speaker. Prabha K. Sinha is a founder and managing director of ZS Associates. He has consulted for over 200 fat and fit firms in North America, Europe, and Asia. He also teaches business executives at the Kellogg Graduate School of Management and the Management Centre Europe. Stuart J. Murphy is a visual learning specialist.He is a graduate of the Rhode Island School of Design and the Owner/President of the Management Program at Harvard's Graduate School of Business. The author of MathStart, a series of children's books that teaches mathematics, he has also coauthored a number of other leading mathematical educational programs. Rene Williams-Andriani illustrates children's books and works as a designer for Hallmark Cards in Kansas City--when she's not drawing sea lions. She received her degree in illustration from Rhode Island School of Design. Read More Read Less