Philip Kotler (Chicago, IL) is the S.C. Johnson & Son Distinguished Professor of International Marketing at Northwestern University's Kellogg School of Management, and one of the world's leading authorities on marketing. His writing has defined marketing around the world for the past forty years.The recipient of numerous awards and honorary degrees from schools all over the world, he holds an M.A. from the University of Chicago and a Ph.D. from MIT, both in economics. Kotler has an incredible international presence --his books have been translated into approximately twenty-five languages, and he regularly speaks on the international circuit.

Hermawan Kartajaya (Jakarta, Indonesia) runs MarkPlus Consulting, the largest marketing consulting firm in Indonesia, and is coauthor with Kotler of several books. 

Iwan Setiawan (Jakarta, Indonesia) is a business writer and senior consultant at MarkPlus Consulting, where he consults for clients on marketing strategies.