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Don Richard Riso and Russ Hudson, two of the most well known writers and developers of the Enneagram in the world today.     

Don Richard Riso is the most published and best-selling author in the field, he is President of Enneagram Personality Types, Inc. and is a co-founder of The Enneagram Institute. He has been teaching the Enneagram for over 20 years and is a Founding Director of the International Enneagram Association.  His four best-selling books on the Enneagram are available in British, German, Italian, Japanese, Chinese, Korean, and Spanish editions.

Russ Hudson is one of the foremost scholars and innovative thinkers in the Enneagram world today. He is Executive Director of Riso-Hudson Personality Types, Inc. and co-founder 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.

You may visit Don's and Russ' Web site by clicking the link below. At their site, you may take an on-line personality test to discover your personality type for an on-line credit card charge of $10.00. Also, you may conveniently make on-line purchases of their best-selling books on the Enneagram.  

Please click here to visit : Enneagram Institute