I have been a student of HH Penor Rinpoche's, for twelve years, and have attended the one month summer retreat every year since they began. Dr. Young, (honorary title) has spent a number of years at these retreats.
While Peter is a student of Rinpoche's, I would not say that he has any "special" endorsement from him. If you read Dr. Young's website carefully, he sk
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Large Group Awareness Training, "Human Potential"