David Daniels’ school Enneagram Worldwide. She has been using the system in-depth for 10 years and has helped hundreds of people identify their enneatype through individual appointments and group trainings. She was a speaker at the 2014 Canadian Enneagram Conference on The Three Centers of Intelligence. She is also a certified speaker for Vistage International on The Enneagram and Small Business Leadership, and has been introducing the system to entrepreneur business owners for 4+ years. Donna is also a co-founder of Enneagram in Seattle, which holds annual master teacher events and monthly enneagram practice groups.