Dr. Choo has practiced Oriental Medicine for over 30 years and is considered a Master Practitioner of SaAm Acupuncture. And he has an outstanding reputation as an educator and international lecturer include ICOM in Seoul, Rothenberg TCM congress in Germany, etc.  He has been working as a professor, clinic supervisor for over 20 years at Universities. Now he is the CEO at Virginia University of Oriental Medicine in the United States.