Dr. Yan began working with Dr. Xiao when she first began in the United States at the indoor swap mart. Over the years, he traveled from California to help collaborate with GWCM and EMed Research Center in events and projects. In 2016, he played an important role in the success of the 5 Elements Health Program, designed for Diabetes and Pre-dieabetes patients. In 2018 he began to work for GWCM full time as a Team Practitioner.