Russ Hudson holds a degree in East Asian Studies from Columbia University in New York, from which he graduated Phi Beta Kappa, and is one of the principal scholars and innovative thinkers in the Enneagram world, having taught internationally for the last two decades, including coaching business teams and leaders in business thought. As Executive Director of Enneagram Personality Types, Inc. and Cofounder of The Enneagram Institute, he has been co-teaching the Enneagram Professional Training Programs since 1991 and is a Founding Director and former Vice-President of the International Enneagram Association. He is also coauthor of The Wisdom of the Enneagram, Personality Types (Revised Edition), Understanding the Enneagram (Revised Edition), Discovering Your Personality Type (Revised Edition), and The Power of the Enneagram (audio CD). He assisted Don Riso in writing Enneagram Transformations. Russ’ books have sold in the millions and been translated into numerous languages.