Teacher Yan's ancestral home is China. Yan, consultant of enterprise strategic management, marketing management and standardization management. Winner lecture hall invited experts and lecturers from several training companies. The writer and director of the youth and comedy film "ecstasy". Teacher Yan is a visiting professor of EMBA in Tsinghua University, a consultant of Yan's General Chamber of Commerce in the world, honorary deputy editor-in-chief of Huaxia Confucian Merchants magazine, and a special expert of Winner Lecture Hall. Teacher Yan teaches Epson.