Russ Hudson is co-founder of The Enneagram Institute. He is a founding director and former vice-president of the International Enneagram Association. He has been teaching workshops, trainings, and retreats for over 25 years and is the co-author with Don Riso of the books The Wisdom Of The Enneagram, Personality Types, Understanding the Enneagram, and Discovering Your Personality and the audio recording The Power Of The Enneagram.