Chinese astrology and Feng Shui practitioner, teacher, and public speaker with long-standing work in BaZi, Zi Wei Dou Shu, classical Feng Shui, and Chinese metaphysics. Born and raised in China, with medical training at Shanghai Medical College and later academic work in the United States. Work has included directing and teaching through Yan's Professional Feng Shui Institute in Virginia since 1996, offering BaZi-focused training and consultation-oriented Chinese metaphysics education.